-1=2c-9

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Solution for -1=2c-9 equation:


Simplifying
-1 = 2c + -9

Reorder the terms:
-1 = -9 + 2c

Solving
-1 = -9 + 2c

Solving for variable 'c'.

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

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

Combine like terms: 2c + -2c = 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 = -8
-2c = -8

Divide each side by '-2'.
c = 4

Simplifying
c = 4

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