3c+7=9-c

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


Simplifying
3c + 7 = 9 + -1c

Reorder the terms:
7 + 3c = 9 + -1c

Solving
7 + 3c = 9 + -1c

Solving for variable 'c'.

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

Add 'c' to each side of the equation.
7 + 3c + c = 9 + -1c + c

Combine like terms: 3c + c = 4c
7 + 4c = 9 + -1c + c

Combine like terms: -1c + c = 0
7 + 4c = 9 + 0
7 + 4c = 9

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

Combine like terms: 7 + -7 = 0
0 + 4c = 9 + -7
4c = 9 + -7

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

Divide each side by '4'.
c = 0.5

Simplifying
c = 0.5

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