13x-81=15x-89

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Solution for 13x-81=15x-89 equation: 



13x-81=15x-89

We move all terms to the left:

13x-81-(15x-89)=0

We get rid of parentheses

13x-15x+89-81=0

We add all the numbers together, and all the variables

-2x+8=0

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

-2x=-8

x=-8/-2

x=+4

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