3x+13=7x-13

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Solution for 3x+13=7x-13 equation: 



3x+13=7x-13

We move all terms to the left:

3x+13-(7x-13)=0

We get rid of parentheses

3x-7x+13+13=0

We add all the numbers together, and all the variables

-4x+26=0

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

-4x=-26

x=-26/-4

x=6+1/2

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