3c-13=12c+9

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Solution for 3c-13=12c+9 equation:


Simplifying
3c + -13 = 12c + 9

Reorder the terms:
-13 + 3c = 12c + 9

Reorder the terms:
-13 + 3c = 9 + 12c

Solving
-13 + 3c = 9 + 12c

Solving for variable 'c'.

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

Add '-12c' to each side of the equation.
-13 + 3c + -12c = 9 + 12c + -12c

Combine like terms: 3c + -12c = -9c
-13 + -9c = 9 + 12c + -12c

Combine like terms: 12c + -12c = 0
-13 + -9c = 9 + 0
-13 + -9c = 9

Add '13' to each side of the equation.
-13 + 13 + -9c = 9 + 13

Combine like terms: -13 + 13 = 0
0 + -9c = 9 + 13
-9c = 9 + 13

Combine like terms: 9 + 13 = 22
-9c = 22

Divide each side by '-9'.
c = -2.444444444

Simplifying
c = -2.444444444

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