(3x+17)+(5x+21)=90

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Solution for (3x+17)+(5x+21)=90 equation: 



(3x+17)+(5x+21)=90

We move all terms to the left:

(3x+17)+(5x+21)-(90)=0

We get rid of parentheses

3x+5x+17+21-90=0

We add all the numbers together, and all the variables

8x-52=0

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

8x=52

x=52/8

x=6+1/2

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