21.5=5c-7

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Solution for 21.5=5c-7 equation:


Simplifying
21.5 = 5c + -7

Reorder the terms:
21.5 = -7 + 5c

Solving
21.5 = -7 + 5c

Solving for variable 'c'.

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

Add '-5c' to each side of the equation.
21.5 + -5c = -7 + 5c + -5c

Combine like terms: 5c + -5c = 0
21.5 + -5c = -7 + 0
21.5 + -5c = -7

Add '-21.5' to each side of the equation.
21.5 + -21.5 + -5c = -7 + -21.5

Combine like terms: 21.5 + -21.5 = 0.0
0.0 + -5c = -7 + -21.5
-5c = -7 + -21.5

Combine like terms: -7 + -21.5 = -28.5
-5c = -28.5

Divide each side by '-5'.
c = 5.7

Simplifying
c = 5.7

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