-7+12=9s-7s

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Solution for -7+12=9s-7s equation:


Simplifying
-7 + 12 = 9s + -7s

Combine like terms: -7 + 12 = 5
5 = 9s + -7s

Combine like terms: 9s + -7s = 2s
5 = 2s

Solving
5 = 2s

Solving for variable 's'.

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

Add '-2s' to each side of the equation.
5 + -2s = 2s + -2s

Combine like terms: 2s + -2s = 0
5 + -2s = 0

Add '-5' to each side of the equation.
5 + -5 + -2s = 0 + -5

Combine like terms: 5 + -5 = 0
0 + -2s = 0 + -5
-2s = 0 + -5

Combine like terms: 0 + -5 = -5
-2s = -5

Divide each side by '-2'.
s = 2.5

Simplifying
s = 2.5

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