8+9(1-s)=s+7

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Solution for 8+9(1-s)=s+7 equation: 



8+9(1-s)=s+7

We move all terms to the left:

8+9(1-s)-(s+7)=0

We add all the numbers together, and all the variables

9(-1s+1)-(s+7)+8=0

We multiply parentheses

-9s-(s+7)+9+8=0

We get rid of parentheses

-9s-s-7+9+8=0

We add all the numbers together, and all the variables

-10s+10=0

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

-10s=-10

s=-10/-10

s=1

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