Question

{-3 - y = -12
{ x - 3y = 14

Answer 1

y = 15

x = 59

Explanation:

move the -3 over to the -12 side. then divide by -1 on both sides getting:

{ y = 15

{ x- 3y = 14

change the y in the second equation to get:

x - 3 (15) = 14

x - 45 = 14

+45 = +45

x = 59

hope this helps!!