7(4K-9)=-20

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Solution for 7(4K-9)=-20 equation:


Simplifying
7(4K + -9) = -20

Reorder the terms:
7(-9 + 4K) = -20
(-9 * 7 + 4K * 7) = -20
(-63 + 28K) = -20

Solving
-63 + 28K = -20

Solving for variable 'K'.

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

Add '63' to each side of the equation.
-63 + 63 + 28K = -20 + 63

Combine like terms: -63 + 63 = 0
0 + 28K = -20 + 63
28K = -20 + 63

Combine like terms: -20 + 63 = 43
28K = 43

Divide each side by '28'.
K = 1.535714286

Simplifying
K = 1.535714286

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