18s-17=18s-9-12

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Solution for 18s-17=18s-9-12 equation: 


Simplifying
18s + -17 = 18s + -9 + -12

Reorder the terms:
-17 + 18s = 18s + -9 + -12

Reorder the terms:
-17 + 18s = -9 + -12 + 18s

Combine like terms: -9 + -12 = -21
-17 + 18s = -21 + 18s

Add '-18s' to each side of the equation.
-17 + 18s + -18s = -21 + 18s + -18s

Combine like terms: 18s + -18s = 0
-17 + 0 = -21 + 18s + -18s
-17 = -21 + 18s + -18s

Combine like terms: 18s + -18s = 0
-17 = -21 + 0
-17 = -21

Solving
-17 = -21

Couldn't find a variable to solve for.

This equation is invalid, the left and right sides are not equal, therefore there is no solution.

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