180=90+2x+(3x-20)

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Solution for 180=90+2x+(3x-20) equation:



180=90+2x+(3x-20)
We move all terms to the left:
180-(90+2x+(3x-20))=0
We calculate terms in parentheses: -(90+2x+(3x-20)), so:
90+2x+(3x-20)
determiningTheFunctionDomain 2x+(3x-20)+90
We get rid of parentheses
2x+3x-20+90
We add all the numbers together, and all the variables
5x+70
Back to the equation:
-(5x+70)
We get rid of parentheses
-5x-70+180=0
We add all the numbers together, and all the variables
-5x+110=0
We move all terms containing x to the left, all other terms to the right
-5x=-110
x=-110/-5
x=+22

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