21=c-71

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Solution for 21=c-71 equation:


Simplifying
21 = c + -71

Reorder the terms:
21 = -71 + c

Solving
21 = -71 + c

Solving for variable 'c'.

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

Add '-1c' to each side of the equation.
21 + -1c = -71 + c + -1c

Combine like terms: c + -1c = 0
21 + -1c = -71 + 0
21 + -1c = -71

Add '-21' to each side of the equation.
21 + -21 + -1c = -71 + -21

Combine like terms: 21 + -21 = 0
0 + -1c = -71 + -21
-1c = -71 + -21

Combine like terms: -71 + -21 = -92
-1c = -92

Divide each side by '-1'.
c = 92

Simplifying
c = 92

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