20w-9w=4(15-w)

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Solution for 20w-9w=4(15-w) equation: 



20w-9w=4(15-w)

We move all terms to the left:

20w-9w-(4(15-w))=0

We add all the numbers together, and all the variables

20w-9w-(4(-1w+15))=0

We add all the numbers together, and all the variables

11w-(4(-1w+15))=0



We calculate terms in parentheses: -(4(-1w+15)), so:

4(-1w+15)

We multiply parentheses

-4w+60

Back to the equation:

-(-4w+60)



We get rid of parentheses

11w+4w-60=0

We add all the numbers together, and all the variables

15w-60=0

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

15w=60

w=60/15

w=4

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