Question

4 (3x - 4) = -(-2x + 21) solve for x

Answer 1

Explanation:

12x - 16 = 2x - 21

10x - 16 = -21

10x = -5

x= -0.5

Answer 2

`4(3x - 4)=-(-2x+21)`

`12x - 16 = 2x - 21`

`12x - 2x = - 21 + 16`

`10x = - 5`

`x = ( - 5)/(10)`

`x = - 0.5`