31=5(w+7)-7w

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Solution for 31=5(w+7)-7w equation:



31=5(w+7)-7w
We move all terms to the left:
31-(5(w+7)-7w)=0
We calculate terms in parentheses: -(5(w+7)-7w), so:
5(w+7)-7w
We add all the numbers together, and all the variables
-7w+5(w+7)
We multiply parentheses
-7w+5w+35
We add all the numbers together, and all the variables
-2w+35
Back to the equation:
-(-2w+35)
We get rid of parentheses
2w-35+31=0
We add all the numbers together, and all the variables
2w-4=0
We move all terms containing w to the left, all other terms to the right
2w=4
w=4/2
w=2

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