90=3c-12

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Solution for 90=3c-12 equation:


Simplifying
90 = 3c + -12

Reorder the terms:
90 = -12 + 3c

Solving
90 = -12 + 3c

Solving for variable 'c'.

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

Add '-3c' to each side of the equation.
90 + -3c = -12 + 3c + -3c

Combine like terms: 3c + -3c = 0
90 + -3c = -12 + 0
90 + -3c = -12

Add '-90' to each side of the equation.
90 + -90 + -3c = -12 + -90

Combine like terms: 90 + -90 = 0
0 + -3c = -12 + -90
-3c = -12 + -90

Combine like terms: -12 + -90 = -102
-3c = -102

Divide each side by '-3'.
c = 34

Simplifying
c = 34

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