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4 votes
(3x+11) + (10x-12)/2 = 45

2 Answers

2 votes

3x+11=10x-12

We move all terms to the left:

3x+11-(10x-12)=0

We get rid of parentheses

3x-10x+12+11=0

We add all the numbers together, and all the variables

-7x+23=0

We move all terms containing x to the left, all other terms to the right

-7x=-23

x=-23/-7

x=3+2/7

User Diand
by
7.4k points
6 votes

Answer:

x=5

Explanation:

User Wusher
by
6.9k points