7c-4=9c-12

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Solution for 7c-4=9c-12 equation:


Simplifying
7c + -4 = 9c + -12

Reorder the terms:
-4 + 7c = 9c + -12

Reorder the terms:
-4 + 7c = -12 + 9c

Solving
-4 + 7c = -12 + 9c

Solving for variable 'c'.

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

Add '-9c' to each side of the equation.
-4 + 7c + -9c = -12 + 9c + -9c

Combine like terms: 7c + -9c = -2c
-4 + -2c = -12 + 9c + -9c

Combine like terms: 9c + -9c = 0
-4 + -2c = -12 + 0
-4 + -2c = -12

Add '4' to each side of the equation.
-4 + 4 + -2c = -12 + 4

Combine like terms: -4 + 4 = 0
0 + -2c = -12 + 4
-2c = -12 + 4

Combine like terms: -12 + 4 = -8
-2c = -8

Divide each side by '-2'.
c = 4

Simplifying
c = 4

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