7=(-9)-k

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Solution for 7=(-9)-k equation:


Simplifying
7 = (-9) + -1k
7 = -9 + -1k

Solving
7 = -9 + -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.
7 + k = -9 + -1k + k

Combine like terms: -1k + k = 0
7 + k = -9 + 0
7 + k = -9

Add '-7' to each side of the equation.
7 + -7 + k = -9 + -7

Combine like terms: 7 + -7 = 0
0 + k = -9 + -7
k = -9 + -7

Combine like terms: -9 + -7 = -16
k = -16

Simplifying
k = -16

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