-21c+20=-7

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Solution for -21c+20=-7 equation: 


Simplifying
-21c + 20 = -7

Reorder the terms:
20 + -21c = -7

Solving
20 + -21c = -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 + -21c = -7 + -20

Combine like terms: 20 + -20 = 0
0 + -21c = -7 + -20
-21c = -7 + -20

Combine like terms: -7 + -20 = -27
-21c = -27

Divide each side by '-21'.
c = 1.285714286

Simplifying
c = 1.285714286

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