12=(-3)+k

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Solution for 12=(-3)+k equation:


Simplifying
12 = (-3) + k
12 = -3 + k

Solving
12 = -3 + 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.
12 + -1k = -3 + k + -1k

Combine like terms: k + -1k = 0
12 + -1k = -3 + 0
12 + -1k = -3

Add '-12' to each side of the equation.
12 + -12 + -1k = -3 + -12

Combine like terms: 12 + -12 = 0
0 + -1k = -3 + -12
-1k = -3 + -12

Combine like terms: -3 + -12 = -15
-1k = -15

Divide each side by '-1'.
k = 15

Simplifying
k = 15

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