-128=7(2-4K)-2

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Solution for -128=7(2-4K)-2 equation:


Simplifying
-128 = 7(2 + -4K) + -2
-128 = (2 * 7 + -4K * 7) + -2
-128 = (14 + -28K) + -2

Reorder the terms:
-128 = 14 + -2 + -28K

Combine like terms: 14 + -2 = 12
-128 = 12 + -28K

Solving
-128 = 12 + -28K

Solving for variable 'K'.

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

Add '28K' to each side of the equation.
-128 + 28K = 12 + -28K + 28K

Combine like terms: -28K + 28K = 0
-128 + 28K = 12 + 0
-128 + 28K = 12

Add '128' to each side of the equation.
-128 + 128 + 28K = 12 + 128

Combine like terms: -128 + 128 = 0
0 + 28K = 12 + 128
28K = 12 + 128

Combine like terms: 12 + 128 = 140
28K = 140

Divide each side by '28'.
K = 5

Simplifying
K = 5

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