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How do I solve 3x-7=5x+13

How do I solve 3x-7=5x+13
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2 votes
How do I solve 3x-7=5x+13

User Jsarma
by
7.9k points

2 Answers

6 votes
3x-7=5x+13
-13 -13
___________

3x-20=5x
-3x -3x
__________

-20 = 2x
-20 divided by 2
x = -10
User Andrew Seguin
by
7.9k points
4 votes

3x-7=5x+13\ \ |+7 \\ \\3x-7+7=5x+13+7\\ \\3x=5x+20 \ \ |(-5x)\\ \\3x-5x=5x-5x+20 \\ \\-2x=20 \ \ / :(-2)\\ \\ x=-(20)/(2)\\ \\x= -10
User David Fregoli
by
7.3k points
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