12c-15=5c+20

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Solution for 12c-15=5c+20 equation:


Simplifying
12c + -15 = 5c + 20

Reorder the terms:
-15 + 12c = 5c + 20

Reorder the terms:
-15 + 12c = 20 + 5c

Solving
-15 + 12c = 20 + 5c

Solving for variable 'c'.

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

Add '-5c' to each side of the equation.
-15 + 12c + -5c = 20 + 5c + -5c

Combine like terms: 12c + -5c = 7c
-15 + 7c = 20 + 5c + -5c

Combine like terms: 5c + -5c = 0
-15 + 7c = 20 + 0
-15 + 7c = 20

Add '15' to each side of the equation.
-15 + 15 + 7c = 20 + 15

Combine like terms: -15 + 15 = 0
0 + 7c = 20 + 15
7c = 20 + 15

Combine like terms: 20 + 15 = 35
7c = 35

Divide each side by '7'.
c = 5

Simplifying
c = 5

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