20c-5-6=18c+7

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Solution for 20c-5-6=18c+7 equation:


Simplifying
20c + -5 + -6 = 18c + 7

Reorder the terms:
-5 + -6 + 20c = 18c + 7

Combine like terms: -5 + -6 = -11
-11 + 20c = 18c + 7

Reorder the terms:
-11 + 20c = 7 + 18c

Solving
-11 + 20c = 7 + 18c

Solving for variable 'c'.

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

Add '-18c' to each side of the equation.
-11 + 20c + -18c = 7 + 18c + -18c

Combine like terms: 20c + -18c = 2c
-11 + 2c = 7 + 18c + -18c

Combine like terms: 18c + -18c = 0
-11 + 2c = 7 + 0
-11 + 2c = 7

Add '11' to each side of the equation.
-11 + 11 + 2c = 7 + 11

Combine like terms: -11 + 11 = 0
0 + 2c = 7 + 11
2c = 7 + 11

Combine like terms: 7 + 11 = 18
2c = 18

Divide each side by '2'.
c = 9

Simplifying
c = 9

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