Question

3y + 2x = 17

-x - 4y = -21
elimination method someone help

Answer 1

If we multiply the 2nd by 2 and add it to the first we get this:
3y-8y=17-42
so then, solving for y:
-5y=-25
y=5
Now we go back to the first equaiton and we get this:
3*5+2x=17
2x=17-15
x=1
so the answer is:
x=1, y=5

Answer 2

thanks you so much

Answer 3

You are welcome! ;)