Answer:
y = -2
Step-by-step explanation:
Substitute x for 5 in each equation. Then rearrange and isolate y.
12x = 48 - 6y
12(5) = 48 - 6y Simplify
60 = 48 - 6y
60 - 48 = 48 - 48 - 6y Subtract 48 from both sides
12 = -6y
12/-6 = -6y/-6 Divide both sides by -6
-2 = y Answer
y = -2 Variable on left side
10x = 38 - 6y
10(5) = 38 - 6y Simplify
50 = 38 - 6y
50 - 38 = 38 - 38 - 6y Subtract 38 from both sides
12 = -6y
12/-6 = -6y/-6 Divide each side by -6
-2 = y
y = -2 Same answer.
