-9c+20=-7

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Solution for -9c+20=-7 equation: 


Simplifying
-9c + 20 = -7

Reorder the terms:
20 + -9c = -7

Solving
20 + -9c = -7

Solving for variable 'c'.

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

Add '-20' to each side of the equation.
20 + -20 + -9c = -7 + -20

Combine like terms: 20 + -20 = 0
0 + -9c = -7 + -20
-9c = -7 + -20

Combine like terms: -7 + -20 = -27
-9c = -27

Divide each side by '-9'.
c = 3

Simplifying
c = 3

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