(9x-7)+(4x+13)=90

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Solution for (9x-7)+(4x+13)=90 equation: 



(9x-7)+(4x+13)=90

We move all terms to the left:

(9x-7)+(4x+13)-(90)=0

We get rid of parentheses

9x+4x-7+13-90=0

We add all the numbers together, and all the variables

13x-84=0

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

13x=84

x=84/13

x=6+6/13

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