(2x+20)=(3x+30)=90

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Solution for (2x+20)=(3x+30)=90 equation: 



(2x+20)=(3x+30)=90

We move all terms to the left:

(2x+20)-((3x+30))=0

We get rid of parentheses

2x-((3x+30))+20=0



We calculate terms in parentheses: -((3x+30)), so:

(3x+30)

We get rid of parentheses

3x+30

Back to the equation:

-(3x+30)



We get rid of parentheses

2x-3x-30+20=0

We add all the numbers together, and all the variables

-1x-10=0

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

-x=10

x=10/-1

x=-10

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