15.5=7+3(x+2.5)

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Solution for 15.5=7+3(x+2.5) equation: 



15.5=7+3(x+2.5)

We move all terms to the left:

15.5-(7+3(x+2.5))=0



We calculate terms in parentheses: -(7+3(x+2.5)), so:

7+3(x+2.5)

determiningTheFunctionDomain
3(x+2.5)+7

We multiply parentheses

3x+7.5+7

We add all the numbers together, and all the variables

3x+14.5

Back to the equation:

-(3x+14.5)



We get rid of parentheses

-3x-14.5+15.5=0

We add all the numbers together, and all the variables

-3x+1=0

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

-3x=-1

x=-1/-3

x=1/3

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