(4x+3)+(x+7)=90

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Solution for (4x+3)+(x+7)=90 equation: 



(4x+3)+(x+7)=90

We move all terms to the left:

(4x+3)+(x+7)-(90)=0

We get rid of parentheses

4x+x+3+7-90=0

We add all the numbers together, and all the variables

5x-80=0

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

5x=80

x=80/5

x=16

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