20=-7+5(x+3)

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Solution for 20=-7+5(x+3) equation: 



20=-7+5(x+3)

We move all terms to the left:

20-(-7+5(x+3))=0



We calculate terms in parentheses: -(-7+5(x+3)), so:

-7+5(x+3)

determiningTheFunctionDomain
5(x+3)-7

We multiply parentheses

5x+15-7

We add all the numbers together, and all the variables

5x+8

Back to the equation:

-(5x+8)



We get rid of parentheses

-5x-8+20=0

We add all the numbers together, and all the variables

-5x+12=0

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

-5x=-12

x=-12/-5

x=2+2/5

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