7(5+2s)=15

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Solution for 7(5+2s)=15 equation: 



7(5+2s)=15

We move all terms to the left:

7(5+2s)-(15)=0

We add all the numbers together, and all the variables

7(2s+5)-15=0

We multiply parentheses

14s+35-15=0

We add all the numbers together, and all the variables

14s+20=0

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

14s=-20

s=-20/14

s=-1+3/7

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