21+3w=84

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Solution for 21+3w=84 equation:



21+3w=84
We move all terms to the left:
21+3w-(84)=0
We add all the numbers together, and all the variables
3w-63=0
We move all terms containing w to the left, all other terms to the right
3w=63
w=63/3
w=21

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