c+13=3c+7

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Solution for c+13=3c+7 equation:


Simplifying
c + 13 = 3c + 7

Reorder the terms:
13 + c = 3c + 7

Reorder the terms:
13 + c = 7 + 3c

Solving
13 + c = 7 + 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.
13 + c + -3c = 7 + 3c + -3c

Combine like terms: c + -3c = -2c
13 + -2c = 7 + 3c + -3c

Combine like terms: 3c + -3c = 0
13 + -2c = 7 + 0
13 + -2c = 7

Add '-13' to each side of the equation.
13 + -13 + -2c = 7 + -13

Combine like terms: 13 + -13 = 0
0 + -2c = 7 + -13
-2c = 7 + -13

Combine like terms: 7 + -13 = -6
-2c = -6

Divide each side by '-2'.
c = 3

Simplifying
c = 3

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