3c+6-4-12c=7

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Solution for 3c+6-4-12c=7 equation:


Simplifying
3c + 6 + -4 + -12c = 7

Reorder the terms:
6 + -4 + 3c + -12c = 7

Combine like terms: 6 + -4 = 2
2 + 3c + -12c = 7

Combine like terms: 3c + -12c = -9c
2 + -9c = 7

Solving
2 + -9c = 7

Solving for variable 'c'.

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

Add '-2' to each side of the equation.
2 + -2 + -9c = 7 + -2

Combine like terms: 2 + -2 = 0
0 + -9c = 7 + -2
-9c = 7 + -2

Combine like terms: 7 + -2 = 5
-9c = 5

Divide each side by '-9'.
c = -0.5555555556

Simplifying
c = -0.5555555556

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