3(7+s)+5(s)=45

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Solution for 3(7+s)+5(s)=45 equation: 



3(7+s)+5(s)=45

We move all terms to the left:

3(7+s)+5(s)-(45)=0

We add all the numbers together, and all the variables

3(s+7)+5s-45=0

We add all the numbers together, and all the variables

5s+3(s+7)-45=0

We multiply parentheses

5s+3s+21-45=0

We add all the numbers together, and all the variables

8s-24=0

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

8s=24

s=24/8

s=3

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