-7(9-4c)=-20

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


Simplifying
-7(9 + -4c) = -20
(9 * -7 + -4c * -7) = -20
(-63 + 28c) = -20

Solving
-63 + 28c = -20

Solving for variable 'c'.

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

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

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

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

Divide each side by '28'.
c = 1.535714286

Simplifying
c = 1.535714286

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