21=5w-4

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Solution for 21=5w-4 equation:



21=5w-4
We move all terms to the left:
21-(5w-4)=0
We get rid of parentheses
-5w+4+21=0
We add all the numbers together, and all the variables
-5w+25=0
We move all terms containing w to the left, all other terms to the right
-5w=-25
w=-25/-5
w=+5

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