87=k-15

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Solution for 87=k-15 equation:


Simplifying
87 = k + -15

Reorder the terms:
87 = -15 + k

Solving
87 = -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.
87 + -1k = -15 + k + -1k

Combine like terms: k + -1k = 0
87 + -1k = -15 + 0
87 + -1k = -15

Add '-87' to each side of the equation.
87 + -87 + -1k = -15 + -87

Combine like terms: 87 + -87 = 0
0 + -1k = -15 + -87
-1k = -15 + -87

Combine like terms: -15 + -87 = -102
-1k = -102

Divide each side by '-1'.
k = 102

Simplifying
k = 102

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