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90=2(22+w)
We move all terms to the left:
90-(2(22+w))=0
We add all the numbers together, and all the variables
-(2(w+22))+90=0
We calculate terms in parentheses: -(2(w+22)), so:We get rid of parentheses
2(w+22)
We multiply parentheses
2w+44
Back to the equation:
-(2w+44)
-2w-44+90=0
We add all the numbers together, and all the variables
-2w+46=0
We move all terms containing w to the left, all other terms to the right
-2w=-46
w=-46/-2
w=+23
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