Question

-20-12x=-12x+20



A. 1- Soultion
B. No soultion

Answer 1

B. No solution

Explanation:

`-20-12x=-12x+20\qquad\text{add}\ 12x\ \text{to both sides}\\\\-20-12x+12x=-12x+12x+20\\\\-20=20\qquad\bold{FALSE}`

Answer 2

-20-12x=-12x+20

Get the xs on one side first

-20-12x=-12x+20

-20-12x + 12x=-12x + 12x+20

-20=20

The sides aren't equal; therefore there's no solution