Question

Solving equations with variables on both sides of the equal sign
2a-8a=12-8a

Answer 1

You want to put the variable on one side only, then solve.

2a - 8a = 12 - 8a

if i add 8a to both sides, -8a + 8a = 0, so im left with:

2a = 12

a = 12/2

a = 6