Question

Sue claims that the solution to the equation 12x-3(5+4x)=7x+20 is x =-5 she shows the steps below to justify her solution

Answer 1

Answer:

Sue is correct and I did the steps below.

Step-by-step explanation:

12x-3(5+4x)=7x+20

12x-15-12x=7x+20

-15=7x+20

-35=7x

-5=7