7+5+2C=2(C+7)-2

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Solution for 7+5+2C=2(C+7)-2 equation: 


Simplifying
7 + 5 + 2C = 2(C + 7) + -2

Combine like terms: 7 + 5 = 12
12 + 2C = 2(C + 7) + -2

Reorder the terms:
12 + 2C = 2(7 + C) + -2
12 + 2C = (7 * 2 + C * 2) + -2
12 + 2C = (14 + 2C) + -2

Reorder the terms:
12 + 2C = 14 + -2 + 2C

Combine like terms: 14 + -2 = 12
12 + 2C = 12 + 2C

Add '-12' to each side of the equation.
12 + -12 + 2C = 12 + -12 + 2C

Combine like terms: 12 + -12 = 0
0 + 2C = 12 + -12 + 2C
2C = 12 + -12 + 2C

Combine like terms: 12 + -12 = 0
2C = 0 + 2C
2C = 2C

Add '-2C' to each side of the equation.
2C + -2C = 2C + -2C

Combine like terms: 2C + -2C = 0
0 = 2C + -2C

Combine like terms: 2C + -2C = 0
0 = 0

Solving
0 = 0

Couldn't find a variable to solve for.

This equation is an identity, all real numbers are solutions.

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