3-c-12=18

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Solution for 3-c-12=18 equation:


Simplifying
3 + -1c + -12 = 18

Reorder the terms:
3 + -12 + -1c = 18

Combine like terms: 3 + -12 = -9
-9 + -1c = 18

Solving
-9 + -1c = 18

Solving for variable 'c'.

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

Add '9' to each side of the equation.
-9 + 9 + -1c = 18 + 9

Combine like terms: -9 + 9 = 0
0 + -1c = 18 + 9
-1c = 18 + 9

Combine like terms: 18 + 9 = 27
-1c = 27

Divide each side by '-1'.
c = -27

Simplifying
c = -27

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