-2(5s-4)-8=-2(7s+9)-2

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Solution for -2(5s-4)-8=-2(7s+9)-2 equation: 



-2(5s-4)-8=-2(7s+9)-2

We move all terms to the left:

-2(5s-4)-8-(-2(7s+9)-2)=0

We multiply parentheses

-10s-(-2(7s+9)-2)+8-8=0



We calculate terms in parentheses: -(-2(7s+9)-2), so:

-2(7s+9)-2

We multiply parentheses

-14s-18-2

We add all the numbers together, and all the variables

-14s-20

Back to the equation:

-(-14s-20)



We add all the numbers together, and all the variables

-10s-(-14s-20)=0

We get rid of parentheses

-10s+14s+20=0

We add all the numbers together, and all the variables

4s+20=0

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

4s=-20

s=-20/4

s=-5

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