18-c=-3

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Solution for 18-c=-3 equation:


Simplifying
18 + -1c = -3

Solving
18 + -1c = -3

Solving for variable 'c'.

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

Add '-18' to each side of the equation.
18 + -18 + -1c = -3 + -18

Combine like terms: 18 + -18 = 0
0 + -1c = -3 + -18
-1c = -3 + -18

Combine like terms: -3 + -18 = -21
-1c = -21

Divide each side by '-1'.
c = 21

Simplifying
c = 21

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