(7x+6)+(3x+4)=90

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Solution for (7x+6)+(3x+4)=90 equation: 



(7x+6)+(3x+4)=90

We move all terms to the left:

(7x+6)+(3x+4)-(90)=0

We get rid of parentheses

7x+3x+6+4-90=0

We add all the numbers together, and all the variables

10x-80=0

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

10x=80

x=80/10

x=8

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