368-27=(X+350):X+315

341=(X+350):X+315

X:X+350:X=341-315

1+350:X=26

350:X=26-1

350:X=25

X=350:25

X=14

Bạn Nguyễn Hữu Thế làm đúng rùi đó! Mình cũng làm như vậy!

đíu hỉu

\(92.4-27=\frac{x+350}{x}+135\)

=>\(368-27=\frac{x}{x}+\frac{350}{x}+315\)

=>\(341=1+\frac{350}{x}+315\)

=>\(341=\frac{350}{x}+316\)

=>\(341-316=\frac{350}{x}\)

=>\(\frac{350}{x}=25\)

=>x=350:25

=>x=14

368-27=(x+350):x+315

341=(x+350):x+315

x:x+350:x=341-315

1+350:x=26

350:x=26-1

350:x=25

x=350:25

x=14

hk tốt

     92 . 4 - 27 = (x+ 350 ) : x + 315

<=> 365 -  27 = (x + 350):x +315

<=> 341         = (x+350 : x +315

<=> (x + 350 ): x = 341 - 315

<=> (x + 350 ) : x = 26 

<=>(x + 350 ) . 1/x=26

<=> x . 1/x + 350 . 1/x = 26

<=> 1 + 350/x =26

<=> 350/x       = 26-1

<=> 350 : x      = 25

<=> x               = 350 : 25 

<=> x                = 14

   vậy x = 14

tít cho mình trước nha

92 × 4 -27 = ( x + 350 ) : x + 315

hay \(\left(x+350\right):x+315=92\) x \(4-27\)

\(\left(x+350\right):x=368-27-315\)

\(\left(x+350\right):x=26\)

\(\frac{x+350}{x}=26\)

\(\frac{x}{x}+\frac{350}{x}=26\)

\(1+\frac{350}{x}=26\)

\(\frac{350}{x}=25\)

\(x=350:25\)

\(x=14\)

92X4-27=\(\dfrac{a+350}{a}\)+315

=>341=1+\(\dfrac{350}{a}\)+315=316+\(\dfrac{350}{a}\)

=>\(\dfrac{350}{a}\)=341-316=25

=>a=\(\dfrac{350}{25}\)=14

a) \(92.4-27=\frac{x+350}{x}+315\)

\(368-27=1+\frac{350}{x}+315\)

\(341=\frac{350}{x}+316\)

\(341-316=\frac{350}{x}\)

\(25=\frac{350}{x}\)

\(25x=350\)

\(x=14\)

b) \(\left(\frac{3}{2}-x\right).\frac{1}{3}-\frac{2}{3}.\left(\frac{1}{2}-x\right)=\frac{1}{3}\)

\(\frac{\frac{3}{2}}{3}-\frac{x}{3}-\frac{2}{3}.\left(\frac{1}{2}-x\right)=\frac{1}{3}\)

\(\frac{1}{2}-\frac{x}{2}-\frac{2}{3}.\left(\frac{1}{2}-x\right)=\frac{1}{3}\)

\(\frac{3}{2}-x-2.\left(\frac{1}{2}-x\right)=1\)

\(\frac{3}{2}-x-1+2x=1\)

\(\frac{1}{2}+x=1\)

\(x=1-\frac{1}{2}\)

\(x=\frac{1}{2}\)