y=70-2(2y-20)

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Solution for y=70-2(2y-20) equation: 



y=70-2(2y-20)

We move all terms to the left:

y-(70-2(2y-20))=0



We calculate terms in parentheses: -(70-2(2y-20)), so:

70-2(2y-20)

determiningTheFunctionDomain
-2(2y-20)+70

We multiply parentheses

-4y+40+70

We add all the numbers together, and all the variables

-4y+110

Back to the equation:

-(-4y+110)



We get rid of parentheses

y+4y-110=0

We add all the numbers together, and all the variables

5y-110=0

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

5y=110

y=110/5

y=22

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