\(\left(32\cdot15\right):2=\left(x+70\right):14-40\)

\(=240=\left(x+70\right):14-40\)

\(\Rightarrow\left(x+70\right):14=240+40\)

\(\Rightarrow x+70=280\cdot14\)

\(\Rightarrow x=3920-70\)

\(\Rightarrow x=3850\)

Ủng hộ mk nkoa!@^_^@

(32.15):2=(x+70):14-40

=>(x+70):14-40=480:2=240

=>(x+70):14=240+40=280

=>x+70=280x14=3920

=>x=3920-70=3850

(32 . 15) : 2 = (x + 70) : 14 - 40

480 : 2 = (x + 70) : 14 - 40

240 = (x + 70) : 14 - 40

(x + 70) : 14 = 280

x + 70 = 280 x 14 = 3920

x = 3920 - 70 = 3850

(32.15):2=(x+70):14-40

=>480:2=(x+70):14-40

=>240=(x+70):14-40

=>(x+70):14=240+40

=>(x+70):14=280

=>x+70=280*14

=>x+70=3920

=>x=3850

12.35+.182 - 35.94

giúp mình với

a) 195 - x: 17 = 125 

     x : 17 = 195 - 125 = 70

    x = 70 . 17

    x = 1190

b) 32 . 15 : 2 = (x + 70) : 14 - 40

     240 = ( x + 70) : 14 - 40

(x + 70) : 14 = 280

x + 70 = 280 . 14 = 3920

x = 3920 - 70 

x = 3850

A)195-x:17=125

=\(x:17=195-125\)

\(x:17=70\)

\(x=70.17\)

=>x=\(1190\)

B) 32.15:2=(x+70):14-40

\(\text{B) 32.15:2=(x+70):14-40}\)

\(=480:2=\left(x+70\right):14-40\)

\(=\left(x+70\right):14-40=240\)

\(=\left(x+70\right):14=240+40\)

\(\left(x+70\right):14=280\)

=>\(x+70=280.14\)

\(x+70=3920\)

=> x=\(3920-70\)

=>x=\(3850\)

a) 195 - x : 7 = 125

            x : 7 = 195 - 125

            x : 7 =      70

            x      =  70 x 7

            x      =    140.

b) 32 x 15 : 2 = ( x + 70 ) : 14 - 40

      480    : 2 = ( x + 70 ) : 14 - 40

            240   = ( x + 70 ) : 14 - 40

            ( x + 70 ) : 14 - 40 = 240

            ( x + 70 ) : 14        = 240 - 40

            ( x + 70 ) : 14        =      200

              x + 70                 =  200 x 14

              x + 70                 =      2800

              x                         = 2800 - 70

              x                         =     2100.         

\(a,\Rightarrow6x+70=130\Rightarrow6x=60\Rightarrow x=10\\ b,\Rightarrow240=\left(x+70\right):14-40\\ \Rightarrow\left(x+70\right):14=280\\ \Rightarrow x+70=3920\Rightarrow x=3850\\ c,\Rightarrow x-15=75\Rightarrow x=90\\ d,\Rightarrow\left(x+175\right):5=680-30=650\\ \Rightarrow x+175=3250\Rightarrow x=3075\\ e,\Rightarrow x-4867=1004523\Rightarrow x=1009390\\ f,\Rightarrow x+32-17=24\Rightarrow x=9\\ g,\Rightarrow3\left(x+1\right)=54\Rightarrow x+1=18\Rightarrow x=17\\ h,\Rightarrow19\left(35:x+3\right)=152\\ \Rightarrow35:x+3=8\Rightarrow35:x=11\Rightarrow x=\dfrac{35}{11}\)

x - 4867 = (175.2050.70):25 + 24

x - 4867 = 251125:25 + 24

x - 4867 = 1004500 +24

x = 1004500 + 24 + 4867 

x = 1009391

420 + 65 . 4 = ( x + 175 ) : 5 + 30 

=> ( x + 175 ) : 5 + 30 = 420 + 45 . 4 

=> ( x + 175 ) : 5 + 30 = 600 

=> ( x + 175 ) : 5 = 600 - 30 

=> ( x + 175 ) : 5 = 570 

=> x + 175 = 570 . 5 

=> x + 175 = 2850 

=> x = 2850 - 175 

=> x = 2675 

nha bn 

các câu khác tương tự nhé 

nhớ ủng hộ mik nha mn 

\(\text{Tìm x hở e????}\)

~~~~~~~~~

\(\text{420 + 65 . 4 = ( x + 175 ) : 5 + 30}\)

\(420+260=\left(x+175\right):5+30\)

\(680=\text{ ( x + 175 ) : 5 + 30}\)

\(\text{ ( x + 175 ) : 5 + 30=680}\)

\(\text{ ( x + 175 ) : 5 =680-30}\)

\((x+175):5=650\)

\(x+175=650:5\)

\(x+175=130\)

\(x=130-175\)

\(x=-45\)

\(\text{(32.15) : 2 = (x + 70) : 14 - 40}\)

\(480:2=\text{ (x + 70) : 14 - 40}\)

\(240\text{ = (x + 70) : 14 - 40}\)

\(\text{ (x + 70) : 14 =280}\)

\(x+70=3920\)

\(x=3920-70\)

\(x=3850\)

\(\text{x - 4867 = ( 175 . 2050 . 76) + 25 + 23}\)

\(\text{x - 4867 = ( 175 . 2050 . 76) + 48}\)

\(x-4867=27265000+48\)

\(x-4867=27265048\)

\(x=27265048+4867\)

\(x=27260015\)

\(\text{Hok giỏi nhé!~!!}\)

a, \(420+65:4=\left(x+175\right):5+30\)

\(\Rightarrow\left(x+175\right):5+30=420+16,25\)

\(\Rightarrow\left(x+175\right):5=420+16,25-30=406,25\)

\(\Rightarrow x+175=2031,25\)

\(\Rightarrow x=1856,25\)

b, \(\left(32.15\right):2=\left(x+70\right):14-40\)

\(\Rightarrow\left(x+70\right):14-40=480:2\)

\(\Rightarrow\left(x+70\right):14=240+40=280\)

\(\Rightarrow x+70=3920\Rightarrow x=3850\)

c, \(x-4867=\left(175.2050.70\right):25+23\)

\(\Rightarrow x=39462500:25+23+4867\)

\(\Rightarrow x=1578500+23+4867=1583390\)

Chúc bạn học tốt!!!