121=k+-12

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Solution for 121=k+-12 equation:


Simplifying
121 = k + -12

Reorder the terms:
121 = -12 + k

Solving
121 = -12 + k

Solving for variable 'k'.

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

Add '-1k' to each side of the equation.
121 + -1k = -12 + k + -1k

Combine like terms: k + -1k = 0
121 + -1k = -12 + 0
121 + -1k = -12

Add '-121' to each side of the equation.
121 + -121 + -1k = -12 + -121

Combine like terms: 121 + -121 = 0
0 + -1k = -12 + -121
-1k = -12 + -121

Combine like terms: -12 + -121 = -133
-1k = -133

Divide each side by '-1'.
k = 133

Simplifying
k = 133

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