Question

9x+(x-7)=(5x+4)-(8-3x)

Answer 1

9x + (x - 7) = (5x + 4) - (8 - 3x)

9x + x - 7 = 5x + 4 - 8 + 3x

10x - 7 = 8x - 4

10x - 8x = - 4 + 7

2x = 3

x = 3/2

Solución : 

x = 3/2