15-18c-12c=75

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Solution for 15-18c-12c=75 equation: 


Simplifying
15 + -18c + -12c = 75

Combine like terms: -18c + -12c = -30c
15 + -30c = 75

Solving
15 + -30c = 75

Solving for variable 'c'.

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

Add '-15' to each side of the equation.
15 + -15 + -30c = 75 + -15

Combine like terms: 15 + -15 = 0
0 + -30c = 75 + -15
-30c = 75 + -15

Combine like terms: 75 + -15 = 60
-30c = 60

Divide each side by '-30'.
c = -2

Simplifying
c = -2

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