Question

Y=-5x+30 7x+3y=42 1111

Answer 1

Explanation:

7x+3y=42.

y=-5x+30.

7x+3(-5x+30)=42

7x-15x+90=42

8x=42-90

-8x=-48

x=-48/-8

x=6

y=-5x+30

y=-5×6+30

=-30+30

y=0

(6,0)