2c+2(c-6)=72

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Solution for 2c+2(c-6)=72 equation:


Simplifying
2c + 2(c + -6) = 72

Reorder the terms:
2c + 2(-6 + c) = 72
2c + (-6 * 2 + c * 2) = 72
2c + (-12 + 2c) = 72

Reorder the terms:
-12 + 2c + 2c = 72

Combine like terms: 2c + 2c = 4c
-12 + 4c = 72

Solving
-12 + 4c = 72

Solving for variable 'c'.

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

Add '12' to each side of the equation.
-12 + 12 + 4c = 72 + 12

Combine like terms: -12 + 12 = 0
0 + 4c = 72 + 12
4c = 72 + 12

Combine like terms: 72 + 12 = 84
4c = 84

Divide each side by '4'.
c = 21

Simplifying
c = 21

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