Question

systems of equations substitution show all work

y=-2x+6
x+3y=-2

Answer 1

Answer:

So, I) y=-2x+6 and ii) x+3y=-2

Now substituting value of y in equation ii)

x+3y=-2

x+3(-2x+6) =-2

x-6x+18=-2

-5x=-2-18

-5x=-20

x=4

For y,

y=-2x+6

=-2×4+6

=-8+6

y=-2

Ans x=4, y=-2