1+2x+7=13+7x

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Solution for 1+2x+7=13+7x equation: 



1+2x+7=13+7x

We move all terms to the left:

1+2x+7-(13+7x)=0

We add all the numbers together, and all the variables

2x-(7x+13)+1+7=0

We add all the numbers together, and all the variables

2x-(7x+13)+8=0

We get rid of parentheses

2x-7x-13+8=0

We add all the numbers together, and all the variables

-5x-5=0

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

-5x=5

x=5/-5

x=-1

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