18w+78=15w+84

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Solution for 18w+78=15w+84 equation: 



18w+78=15w+84

We move all terms to the left:

18w+78-(15w+84)=0

We get rid of parentheses

18w-15w-84+78=0

We add all the numbers together, and all the variables

3w-6=0

We move all terms containing w to the left, all other terms to the right

3w=6

w=6/3

w=2

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