(7x+5)+(3x+7)=90

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Solution for (7x+5)+(3x+7)=90 equation: 



(7x+5)+(3x+7)=90

We move all terms to the left:

(7x+5)+(3x+7)-(90)=0

We get rid of parentheses

7x+3x+5+7-90=0

We add all the numbers together, and all the variables

10x-78=0

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

10x=78

x=78/10

x=7+4/5

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