Solve for both systems: x = - 5y + 38 and 3x + 3y = 42

x = - 5y + 38

3x + 3y = 42

3(- 5y + 38) + 3y = 42

3(- 5y) (3)( + 38) + 3y = 42

-15y+114+3y=42

-12y+114=42

-12y+114-114=42-114

-12y=-72

-12y/-12=-72/-12

y=6

x = - 5y + 38

x = - 5(6) + 38

x = - 30 + 38=8