3x+x+7=6x-8

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Solution for 3x+x+7=6x-8 equation: 



3x+x+7=6x-8

We move all terms to the left:

3x+x+7-(6x-8)=0

We add all the numbers together, and all the variables

4x-(6x-8)+7=0

We get rid of parentheses

4x-6x+8+7=0

We add all the numbers together, and all the variables

-2x+15=0

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

-2x=-15

x=-15/-2

x=7+1/2

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