Solve for both systems 2y+6x=84 and 2y + 5x = 71

2y+6x=84

2y+6x-6x=84-6x

2y=84-6x

2y/2=84-6x/2

y=42-6x

2y + 5x = 71

2(42-6x) + 5x = 71

2(42) (2)(-6x) + 5x = 71

84-12x+ 5x = 71

84-7x= 71

84-7x-84= 71-84

-7x=-13

-7x/-7=-13/-7

x=1.86

y=42-6x

y=42-6(1.86)

y=42-11.16=30.84