(3w-10)+w=90

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Solution for (3w-10)+w=90 equation: 



(3w-10)+w=90

We move all terms to the left:

(3w-10)+w-(90)=0

We add all the numbers together, and all the variables

w+(3w-10)-90=0

We get rid of parentheses

w+3w-10-90=0

We add all the numbers together, and all the variables

4w-100=0

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

4w=100

w=100/4

w=25

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