Question

2(2x-20)= -12
6x-20= -12
6x=8
X=8
_
6
Find the mistake

Answer 1

The mistake was made when we rewrote the equation wrong after dividing 2 to both sides

Explanation:

After we divide two on both sides the equation should have been rewriting as
`2x-20=-6` not
`6x-20=-12`