214k views
12 votes
3x + 7x - 8 = -19

can someone please help me with this math problem

2 Answers

6 votes

Answer:

x= -1.1

Explanation:

first combine like terms

3x+7x=10x

10x-8=-19

+8 on both sides

10x= -11

divide by 10

x= -1.1

check the answer

10(-1.1)-8= -19

-11-8= -19 its true

User Jan Kotek
by
7.7k points
12 votes
Combine like terms
3x+7x= 10x
10x-8= -19
+ 8. +8

10x= -11
————
10. 10

x= -1.1
User Bielik
by
8.6k points

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