Question

Help with math 10 points

Answer 1

I honestly don’t know

Answer 2

1. Substitute y=5x−7 into −3x−2y=−12.
2. Simplify 5x−y−3x−2y to 2x−3y.
3. Add 2y to both sides.
4. Simplify −3x−10x+14 to −13x+14.

(I answered it from top to bottom, so it would go top 1 2 to botttom 3 4)