12k+8=15k-7

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Solution for 12k+8=15k-7 equation:


Simplifying
12k + 8 = 15k + -7

Reorder the terms:
8 + 12k = 15k + -7

Reorder the terms:
8 + 12k = -7 + 15k

Solving
8 + 12k = -7 + 15k

Solving for variable 'k'.

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

Add '-15k' to each side of the equation.
8 + 12k + -15k = -7 + 15k + -15k

Combine like terms: 12k + -15k = -3k
8 + -3k = -7 + 15k + -15k

Combine like terms: 15k + -15k = 0
8 + -3k = -7 + 0
8 + -3k = -7

Add '-8' to each side of the equation.
8 + -8 + -3k = -7 + -8

Combine like terms: 8 + -8 = 0
0 + -3k = -7 + -8
-3k = -7 + -8

Combine like terms: -7 + -8 = -15
-3k = -15

Divide each side by '-3'.
k = 5

Simplifying
k = 5

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