Question

3x sobre 2 - 5 x igual a - 7

Answer 1

  3x  = 7
2 - 5x

14 - 35x = 3x

14 = 38x

x = 14/38
x = 7/19

Answer 2

$\frac{3x}{2}-5x=-7$

$\frac{3x}{2}-\frac{10x}{2} =-7$

$\frac{-7x}{2}=-7$

$-7x=-7.2$

$-7x=-14$

$x= \frac{-14}{-7}$

$x=2$