1-3c=9c+7

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Solution for 1-3c=9c+7 equation:


Simplifying
1 + -3c = 9c + 7

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

Solving
1 + -3c = 7 + 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.
1 + -3c + -9c = 7 + 9c + -9c

Combine like terms: -3c + -9c = -12c
1 + -12c = 7 + 9c + -9c

Combine like terms: 9c + -9c = 0
1 + -12c = 7 + 0
1 + -12c = 7

Add '-1' to each side of the equation.
1 + -1 + -12c = 7 + -1

Combine like terms: 1 + -1 = 0
0 + -12c = 7 + -1
-12c = 7 + -1

Combine like terms: 7 + -1 = 6
-12c = 6

Divide each side by '-12'.
c = -0.5

Simplifying
c = -0.5

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