7c-9=3c+15

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


Simplifying
7c + -9 = 3c + 15

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

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

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

Combine like terms: 7c + -3c = 4c
-9 + 4c = 15 + 3c + -3c

Combine like terms: 3c + -3c = 0
-9 + 4c = 15 + 0
-9 + 4c = 15

Add '9' to each side of the equation.
-9 + 9 + 4c = 15 + 9

Combine like terms: -9 + 9 = 0
0 + 4c = 15 + 9
4c = 15 + 9

Combine like terms: 15 + 9 = 24
4c = 24

Divide each side by '4'.
c = 6

Simplifying
c = 6

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