7+12=-s

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Solution for 7+12=-s equation:


Simplifying
7 + 12 = -1s

Combine like terms: 7 + 12 = 19
19 = -1s

Solving
19 = -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.
19 + s = -1s + s

Combine like terms: -1s + s = 0
19 + s = 0

Add '-19' to each side of the equation.
19 + -19 + s = 0 + -19

Combine like terms: 19 + -19 = 0
0 + s = 0 + -19
s = 0 + -19

Combine like terms: 0 + -19 = -19
s = -19

Simplifying
s = -19

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