15=-k+18

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Solution for 15=-k+18 equation:


Simplifying
15 = -1k + 18

Reorder the terms:
15 = 18 + -1k

Solving
15 = 18 + -1k

Solving for variable 'k'.

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

Add 'k' to each side of the equation.
15 + k = 18 + -1k + k

Combine like terms: -1k + k = 0
15 + k = 18 + 0
15 + k = 18

Add '-15' to each side of the equation.
15 + -15 + k = 18 + -15

Combine like terms: 15 + -15 = 0
0 + k = 18 + -15
k = 18 + -15

Combine like terms: 18 + -15 = 3
k = 3

Simplifying
k = 3

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