Explain Please

Question

If 4a-8=6a, then 8a equals?

Answer 1

4a - 8 - 6a = 0

-2a - 8 = 0

 

-2a = 8

 

a = 8/-2 = -4

 

check: LHS: 4(-4) - 8 = -16 - 8 = -24

         RHS: 6(-4) = -24

 

Yes it checks! a=-4

   8a = 8(-4) = -32