5x+9x-63=84-7x

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Solution for 5x+9x-63=84-7x equation: 



5x+9x-63=84-7x

We move all terms to the left:

5x+9x-63-(84-7x)=0

We add all the numbers together, and all the variables

5x+9x-(-7x+84)-63=0

We add all the numbers together, and all the variables

14x-(-7x+84)-63=0

We get rid of parentheses

14x+7x-84-63=0

We add all the numbers together, and all the variables

21x-147=0

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

21x=147

x=147/21

x=7

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