12c-1=11c-20

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Solution for 12c-1=11c-20 equation:


Simplifying
12c + -1 = 11c + -20

Reorder the terms:
-1 + 12c = 11c + -20

Reorder the terms:
-1 + 12c = -20 + 11c

Solving
-1 + 12c = -20 + 11c

Solving for variable 'c'.

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

Add '-11c' to each side of the equation.
-1 + 12c + -11c = -20 + 11c + -11c

Combine like terms: 12c + -11c = 1c
-1 + 1c = -20 + 11c + -11c

Combine like terms: 11c + -11c = 0
-1 + 1c = -20 + 0
-1 + 1c = -20

Add '1' to each side of the equation.
-1 + 1 + 1c = -20 + 1

Combine like terms: -1 + 1 = 0
0 + 1c = -20 + 1
1c = -20 + 1

Combine like terms: -20 + 1 = -19
1c = -19

Divide each side by '1'.
c = -19

Simplifying
c = -19

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