w+w+40=90

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Solution for w+w+40=90 equation: 



w+w+40=90

We move all terms to the left:

w+w+40-(90)=0

We add all the numbers together, and all the variables

2w-50=0

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

2w=50

w=50/2

w=25

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