15=3+k

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Solution for 15=3+k equation:


Simplifying
15 = 3 + k

Solving
15 = 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.
15 + -1k = 3 + k + -1k

Combine like terms: k + -1k = 0
15 + -1k = 3 + 0
15 + -1k = 3

Add '-15' to each side of the equation.
15 + -15 + -1k = 3 + -15

Combine like terms: 15 + -15 = 0
0 + -1k = 3 + -15
-1k = 3 + -15

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

Divide each side by '-1'.
k = 12

Simplifying
k = 12

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