1+3x=9+7x

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Solution for 1+3x=9+7x equation: 



1+3x=9+7x

We move all terms to the left:

1+3x-(9+7x)=0

We add all the numbers together, and all the variables

3x-(7x+9)+1=0

We get rid of parentheses

3x-7x-9+1=0

We add all the numbers together, and all the variables

-4x-8=0

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

-4x=8

x=8/-4

x=-2

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