6 x 95 + 6 x 5=?
(x-1/99+x-99)+(x-3/97+x-7/93)+(x-5/95+x-95/5)=6
Giải pt : ( x-1/99 +x-99 )+( x-3/97 + x-97/3 )+ (x-5/95 + x-95/5 )=6
\(\Leftrightarrow\left(\dfrac{x-1}{99}-1\right)+\left(\dfrac{x-99}{1}-1\right)+\left(\dfrac{x-3}{97}-1\right)+\left(\dfrac{x-97}{3}-1\right)+\left(\dfrac{x-5}{95}-1\right)+\left(\dfrac{x-95}{5}-1\right)=0\)
=>x-100=0
=>x=100
a,(x-1/99+x-99)+(x-3/97+x-7/93)+(x-5/95+x-95/5)=6
giải pt
\(\left(\dfrac{x-1}{99}+x-99\right)+\left(\dfrac{x-3}{97}+\dfrac{x-7}{93}\right)+\left(\dfrac{x-5}{95}+\dfrac{x-95}{5}\right)=6\)
\(\Leftrightarrow\left(\dfrac{x-1}{99}-1\right)+\left(\dfrac{x-99}{1}-1\right)+\left(\dfrac{x-3}{97}-1\right)+\left(\dfrac{x-7}{93}-1\right)+\left(\dfrac{x-5}{95}-1\right)+\left(\dfrac{x-95}{5}-1\right)=0\)=>x-100=0
hay x=100
tìm x biết:
a)x+-5=6
b)-5.6=x
c)-95-95=x
ai trả lời nhanh sẽ được100 cái tick!!!!!!
ai tick mình mình tick cho100 cái nhé!!!
a) x + (-5) = 6
x = 6 -(-5) = 11
b) -5.6 = x
x = -5.6 = -30
c) -95- 95 = x
x = -95 - 95 = -190
a,x+-5=6
x =6--5
x =11
b,-5.6=x
-30=x
c,-95-95=x
-190=x
tick nha
Tìm x, biết: (x+9)+(x-2)+(x+7)+(x-4)+(x+5)+(x-6)+(x+3)+(x-8)+(x+1)=95
\(\left(x+9\right)+\left(x-2\right)+\left(x+7\right)+\left(x-4\right)+\left(x+5\right)+\left(x-6\right)+\left(x+3\right)+\left(x-8\right)+\left(x+1\right)=95\)
\(x+9+x-2+x+7+x-4+x+5+x-6+x+3+x-8+x+1=95\)
\(\left(x\times9\right)+\left(9-2+7-4+5-6+3-8+1\right)=95\)
\(x\times9+5=95\)
\(x\times9=95-5\)
\(x\times9=90\)
\(x=90:9\)
\(x=10\)
(x + 9) + (x - 2) + (x + 7) + (x - 4) + (x + 5) + (x - 6) + (x + 3) + (x - 8) + (x + 1) = 95
x + 9 + x - 2 + x + 7 + x - 4 + x + 5 + x - 6 + x + 3 + x - 8 + x + 1
(x + x + x + x + x + x + x + x + x) + (9 - 8 + 7 - 6 + 5 - 4 + 3 - 2 + 1) = 95
9 × x + 5 = 95
9 × x = 95 - 5
9 × x = 90
x = 90 : 9
x = 10
( x + 6 + 95 + 2010 ) chia hết cho 5 và 12 ≤ x ≤ 21
. Cám ơn bợn những tớ cũng cần cách trình bày nữa :3
16-27=(6-x)-(95+7)
b-(165+34)=9-13+(5-x)
c x-(12-x)=x+5
(x+6+95+100)chia hết cho 5 và 12<x<22
ta có : x+6+95+100 chia hết cho 5
=> x+6 chia hết cho 5
=> x+6 thuộc B(5)
mà B(5)= 0;5;10;15;20;25;30;...
=> x+6= 0;5;10;15;20;25;30;...
=> x= 4;9;14;19;22;...
mà 12<x<22
=> x=14;19