(2x+20)=(90-x)

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



(2x+20)=(90-x)

We move all terms to the left:

(2x+20)-((90-x))=0

We add all the numbers together, and all the variables

(2x+20)-((-1x+90))=0

We get rid of parentheses

2x-((-1x+90))+20=0



We calculate terms in parentheses: -((-1x+90)), so:

(-1x+90)

We get rid of parentheses

-1x+90

Back to the equation:

-(-1x+90)



We get rid of parentheses

2x+1x-90+20=0

We add all the numbers together, and all the variables

3x-70=0

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

3x=70

x=70/3

x=23+1/3

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