Question

— 2х = 5 + 10
4х + 10 = — 20

Answer 1

[-7½, 0]

Explanation:

The top equation is pretty much already done for you:

-2x = 15 [Divide by -2]

x = -7½

Now of course, you have to check the bottom equation:

4[-7½] + 10 = -20

-30 + 10 = -20 ✅

I am joyous to assist you anytime.