145k views
4 votes
— 2х = 5 + 10
4х + 10 = — 20

1 Answer

5 votes

Answer:

[-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.

User Realityinabox
by
8.2k points

Related questions

asked Oct 6, 2020 126k views
Vandan Patel asked Oct 6, 2020
by Vandan Patel
8.0k points
1 answer
0 votes
126k views
1 answer
5 votes
139k views