Answer :
Answer:
[-7½, 0]
Step-by-step 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.