8-7k-7=15

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Solution for 8-7k-7=15 equation:


Simplifying
8 + -7k + -7 = 15

Reorder the terms:
8 + -7 + -7k = 15

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

Solving
1 + -7k = 15

Solving for variable 'k'.

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

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

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

Combine like terms: 15 + -1 = 14
-7k = 14

Divide each side by '-7'.
k = -2

Simplifying
k = -2

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