Question

Solve: 5(3x+4) -8(6x-7)=9x-8 .

Answer 1

5(3x + 4) - 8(6x - 7) = 9x - 8

= 15x + 20 - 48x + 56 = 9x -8

= - 33x + 76 = 9x - 8

= 76 + 8 = 9x + 33x

= 84 = 42x

$= x = \frac{84}{42}$

= x = 2

Answer 2

15x+20-48x-56=9x-8-42x=42x=-1