(5x+20)+(3x+30)=90

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Solution for (5x+20)+(3x+30)=90 equation: 



(5x+20)+(3x+30)=90

We move all terms to the left:

(5x+20)+(3x+30)-(90)=0

We get rid of parentheses

5x+3x+20+30-90=0

We add all the numbers together, and all the variables

8x-40=0

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

8x=40

x=40/8

x=5

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