Question

Solve by elimination x+7y=17 x-y=-7

Answer 1

your question:

solve by elimination x+7y=17 x-y=-7

answer:

x+7y=17

x-y=-7

change signs on bottom equation

x+7y=17

-x+ y= +7

8y = 24

---. -----

8. 8

y= 3

plug y into one of the original equations

x -3 = -7

+3. +3

x=-4

(-4,3)

hope this helps! have a great day! :)