(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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