(7x+15)+(3x+40)=90

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Solution for (7x+15)+(3x+40)=90 equation: 



(7x+15)+(3x+40)=90

We move all terms to the left:

(7x+15)+(3x+40)-(90)=0

We get rid of parentheses

7x+3x+15+40-90=0

We add all the numbers together, and all the variables

10x-35=0

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

10x=35

x=35/10

x=3+1/2

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