70=2(20+w)

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Solution for 70=2(20+w) equation:



70=2(20+w)
We move all terms to the left:
70-(2(20+w))=0
We add all the numbers together, and all the variables
-(2(w+20))+70=0
We calculate terms in parentheses: -(2(w+20)), so:
2(w+20)
We multiply parentheses
2w+40
Back to the equation:
-(2w+40)
We get rid of parentheses
-2w-40+70=0
We add all the numbers together, and all the variables
-2w+30=0
We move all terms containing w to the left, all other terms to the right
-2w=-30
w=-30/-2
w=+15

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