8=7-s

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Solution for 8=7-s equation: 


Simplifying
8 = 7 + -1s

Solving
8 = 7 + -1s

Solving for variable 's'.

Move all terms containing s to the left, all other terms to the right.

Add 's' to each side of the equation.
8 + s = 7 + -1s + s

Combine like terms: -1s + s = 0
8 + s = 7 + 0
8 + s = 7

Add '-8' to each side of the equation.
8 + -8 + s = 7 + -8

Combine like terms: 8 + -8 = 0
0 + s = 7 + -8
s = 7 + -8

Combine like terms: 7 + -8 = -1
s = -1

Simplifying
s = -1

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