7c+15=9c-3

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Solution for 7c+15=9c-3 equation:


Simplifying
7c + 15 = 9c + -3

Reorder the terms:
15 + 7c = 9c + -3

Reorder the terms:
15 + 7c = -3 + 9c

Solving
15 + 7c = -3 + 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.
15 + 7c + -9c = -3 + 9c + -9c

Combine like terms: 7c + -9c = -2c
15 + -2c = -3 + 9c + -9c

Combine like terms: 9c + -9c = 0
15 + -2c = -3 + 0
15 + -2c = -3

Add '-15' to each side of the equation.
15 + -15 + -2c = -3 + -15

Combine like terms: 15 + -15 = 0
0 + -2c = -3 + -15
-2c = -3 + -15

Combine like terms: -3 + -15 = -18
-2c = -18

Divide each side by '-2'.
c = 9

Simplifying
c = 9

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