7(2s-7)+15s=-20s

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Solution for 7(2s-7)+15s=-20s equation: 



7(2s-7)+15s=-20s

We move all terms to the left:

7(2s-7)+15s-(-20s)=0

We add all the numbers together, and all the variables

15s+7(2s-7)-(-20s)=0

We multiply parentheses

15s+14s-(-20s)-49=0

We get rid of parentheses

15s+14s+20s-49=0

We add all the numbers together, and all the variables

49s-49=0

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

49s=49

s=49/49

s=1

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