6x+7x-63=42-8x

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Solution for 6x+7x-63=42-8x equation: 



6x+7x-63=42-8x

We move all terms to the left:

6x+7x-63-(42-8x)=0

We add all the numbers together, and all the variables

6x+7x-(-8x+42)-63=0

We add all the numbers together, and all the variables

13x-(-8x+42)-63=0

We get rid of parentheses

13x+8x-42-63=0

We add all the numbers together, and all the variables

21x-105=0

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

21x=105

x=105/21

x=5

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