7x+15+x+13=90

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Solution for 7x+15+x+13=90 equation: 



7x+15+x+13=90

We move all terms to the left:

7x+15+x+13-(90)=0

We add all the numbers together, and all the variables

8x-62=0

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

8x=62

x=62/8

x=7+3/4

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