8x+7=-6+6x+21

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Solution for 8x+7=-6+6x+21 equation: 



8x+7=-6+6x+21

We move all terms to the left:

8x+7-(-6+6x+21)=0

We add all the numbers together, and all the variables

8x-(6x+15)+7=0

We get rid of parentheses

8x-6x-15+7=0

We add all the numbers together, and all the variables

2x-8=0

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

2x=8

x=8/2

x=4

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