13c-12=4c+69

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Solution for 13c-12=4c+69 equation:


Simplifying
13c + -12 = 4c + 69

Reorder the terms:
-12 + 13c = 4c + 69

Reorder the terms:
-12 + 13c = 69 + 4c

Solving
-12 + 13c = 69 + 4c

Solving for variable 'c'.

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

Add '-4c' to each side of the equation.
-12 + 13c + -4c = 69 + 4c + -4c

Combine like terms: 13c + -4c = 9c
-12 + 9c = 69 + 4c + -4c

Combine like terms: 4c + -4c = 0
-12 + 9c = 69 + 0
-12 + 9c = 69

Add '12' to each side of the equation.
-12 + 12 + 9c = 69 + 12

Combine like terms: -12 + 12 = 0
0 + 9c = 69 + 12
9c = 69 + 12

Combine like terms: 69 + 12 = 81
9c = 81

Divide each side by '9'.
c = 9

Simplifying
c = 9

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