Question

Tìm x 

\(\frac{3x-5}{2}=\frac{4x}{3}\)

giải cả bài nha

Answer 1

\(\frac{3.\left(3x-5\right)}{6}=\frac{2.\left(4x\right)}{6}\)

\(3.\left(3x-5\right)=2.4x\)

\(9x-15=8x\)

\(9x-8x=15\)

\(x=15\)

Answer 2

\(\frac{3x-5}{2}=\frac{4x}{3}\Rightarrow3.\left(3x-5\right)=2.4x\Rightarrow9x-15=8x\Rightarrow9x-8x=15\Rightarrow x=15\)

Answer 3

quy đồng \(\frac{3x-5}{2}=\)
\(\frac{3\left(3x-5\right)}{2.3}=\frac{9x-15}{6}\)

\(\frac{4x}{3}=\frac{2.\left(4x\right)}{3.2}=\frac{8x}{6}\)

9x-15=8x

truyển vế đổi đấu 9x-8x=15

x=15