Question

For the following system, if you isolated x in the first equation to use the substitution method, what expression would you substitute into the second equation?

-x + 2y = -6
3x + y = 8
O-2y +6

Answer 1

Answer: x = 2y + 6

Explanation:

We just need to see what isolating x in the first equation looks like:

-x+2y=-6

-x=-2y-6

x = 2y + 6

We can use this in the second equation. Hope this helps!