7=k+15

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Solution for 7=k+15 equation:


Simplifying
7 = k + 15

Reorder the terms:
7 = 15 + k

Solving
7 = 15 + 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.
7 + -1k = 15 + k + -1k

Combine like terms: k + -1k = 0
7 + -1k = 15 + 0
7 + -1k = 15

Add '-7' to each side of the equation.
7 + -7 + -1k = 15 + -7

Combine like terms: 7 + -7 = 0
0 + -1k = 15 + -7
-1k = 15 + -7

Combine like terms: 15 + -7 = 8
-1k = 8

Divide each side by '-1'.
k = -8

Simplifying
k = -8

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