7=-4(2+s)+s

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



7=-4(2+s)+s

We move all terms to the left:

7-(-4(2+s)+s)=0

We add all the numbers together, and all the variables

-(-4(s+2)+s)+7=0



We calculate terms in parentheses: -(-4(s+2)+s), so:

-4(s+2)+s

We add all the numbers together, and all the variables

s-4(s+2)

We multiply parentheses

s-4s-8

We add all the numbers together, and all the variables

-3s-8

Back to the equation:

-(-3s-8)



We get rid of parentheses

3s+8+7=0

We add all the numbers together, and all the variables

3s+15=0

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

3s=-15

s=-15/3

s=-5

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