15-7K=4K-7

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Solution for 15-7K=4K-7 equation:


Simplifying
15 + -7K = 4K + -7

Reorder the terms:
15 + -7K = -7 + 4K

Solving
15 + -7K = -7 + 4K

Solving for variable 'K'.

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

Add '-4K' to each side of the equation.
15 + -7K + -4K = -7 + 4K + -4K

Combine like terms: -7K + -4K = -11K
15 + -11K = -7 + 4K + -4K

Combine like terms: 4K + -4K = 0
15 + -11K = -7 + 0
15 + -11K = -7

Add '-15' to each side of the equation.
15 + -15 + -11K = -7 + -15

Combine like terms: 15 + -15 = 0
0 + -11K = -7 + -15
-11K = -7 + -15

Combine like terms: -7 + -15 = -22
-11K = -22

Divide each side by '-11'.
K = 2

Simplifying
K = 2

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