c+9c-1=8c+9

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Solution for c+9c-1=8c+9 equation:


Simplifying
c + 9c + -1 = 8c + 9

Reorder the terms:
-1 + c + 9c = 8c + 9

Combine like terms: c + 9c = 10c
-1 + 10c = 8c + 9

Reorder the terms:
-1 + 10c = 9 + 8c

Solving
-1 + 10c = 9 + 8c

Solving for variable 'c'.

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

Add '-8c' to each side of the equation.
-1 + 10c + -8c = 9 + 8c + -8c

Combine like terms: 10c + -8c = 2c
-1 + 2c = 9 + 8c + -8c

Combine like terms: 8c + -8c = 0
-1 + 2c = 9 + 0
-1 + 2c = 9

Add '1' to each side of the equation.
-1 + 1 + 2c = 9 + 1

Combine like terms: -1 + 1 = 0
0 + 2c = 9 + 1
2c = 9 + 1

Combine like terms: 9 + 1 = 10
2c = 10

Divide each side by '2'.
c = 5

Simplifying
c = 5

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