3(7-w)-9=-8+2(5-w)

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Solution for 3(7-w)-9=-8+2(5-w) equation: 



3(7-w)-9=-8+2(5-w)

We move all terms to the left:

3(7-w)-9-(-8+2(5-w))=0

We add all the numbers together, and all the variables

3(-1w+7)-(-8+2(-1w+5))-9=0

We multiply parentheses

-3w-(-8+2(-1w+5))+21-9=0



We calculate terms in parentheses: -(-8+2(-1w+5)), so:

-8+2(-1w+5)

determiningTheFunctionDomain
2(-1w+5)-8

We multiply parentheses

-2w+10-8

We add all the numbers together, and all the variables

-2w+2

Back to the equation:

-(-2w+2)



We add all the numbers together, and all the variables

-3w-(-2w+2)+12=0

We get rid of parentheses

-3w+2w-2+12=0

We add all the numbers together, and all the variables

-1w+10=0

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

-w=-10

w=-10/-1

w=+10

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