3x-15=7x+8

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Solution for 3x-15=7x+8 equation: 



3x-15=7x+8

We move all terms to the left:

3x-15-(7x+8)=0

We get rid of parentheses

3x-7x-8-15=0

We add all the numbers together, and all the variables

-4x-23=0

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

-4x=23

x=23/-4

x=-5+3/4

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