12c+7c+7-20c+4=6+7c-4c-15+8

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Solution for 12c+7c+7-20c+4=6+7c-4c-15+8 equation:


Simplifying
12c + 7c + 7 + -20c + 4 = 6 + 7c + -4c + -15 + 8

Reorder the terms:
7 + 4 + 12c + 7c + -20c = 6 + 7c + -4c + -15 + 8

Combine like terms: 7 + 4 = 11
11 + 12c + 7c + -20c = 6 + 7c + -4c + -15 + 8

Combine like terms: 12c + 7c = 19c
11 + 19c + -20c = 6 + 7c + -4c + -15 + 8

Combine like terms: 19c + -20c = -1c
11 + -1c = 6 + 7c + -4c + -15 + 8

Reorder the terms:
11 + -1c = 6 + -15 + 8 + 7c + -4c

Combine like terms: 6 + -15 = -9
11 + -1c = -9 + 8 + 7c + -4c

Combine like terms: -9 + 8 = -1
11 + -1c = -1 + 7c + -4c

Combine like terms: 7c + -4c = 3c
11 + -1c = -1 + 3c

Solving
11 + -1c = -1 + 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.
11 + -1c + -3c = -1 + 3c + -3c

Combine like terms: -1c + -3c = -4c
11 + -4c = -1 + 3c + -3c

Combine like terms: 3c + -3c = 0
11 + -4c = -1 + 0
11 + -4c = -1

Add '-11' to each side of the equation.
11 + -11 + -4c = -1 + -11

Combine like terms: 11 + -11 = 0
0 + -4c = -1 + -11
-4c = -1 + -11

Combine like terms: -1 + -11 = -12
-4c = -12

Divide each side by '-4'.
c = 3

Simplifying
c = 3

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