18=9c-9

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Solution for 18=9c-9 equation:


Simplifying
18 = 9c + -9

Reorder the terms:
18 = -9 + 9c

Solving
18 = -9 + 9c

Solving for variable 'c'.

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

Add '-9c' to each side of the equation.
18 + -9c = -9 + 9c + -9c

Combine like terms: 9c + -9c = 0
18 + -9c = -9 + 0
18 + -9c = -9

Add '-18' to each side of the equation.
18 + -18 + -9c = -9 + -18

Combine like terms: 18 + -18 = 0
0 + -9c = -9 + -18
-9c = -9 + -18

Combine like terms: -9 + -18 = -27
-9c = -27

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

Simplifying
c = 3

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