11-c=20-3c

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Solution for 11-c=20-3c equation:


Simplifying
11 + -1c = 20 + -3c

Solving
11 + -1c = 20 + -3c

Solving for variable 'c'.

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

Add '3c' to each side of the equation.
11 + -1c + 3c = 20 + -3c + 3c

Combine like terms: -1c + 3c = 2c
11 + 2c = 20 + -3c + 3c

Combine like terms: -3c + 3c = 0
11 + 2c = 20 + 0
11 + 2c = 20

Add '-11' to each side of the equation.
11 + -11 + 2c = 20 + -11

Combine like terms: 11 + -11 = 0
0 + 2c = 20 + -11
2c = 20 + -11

Combine like terms: 20 + -11 = 9
2c = 9

Divide each side by '2'.
c = 4.5

Simplifying
c = 4.5

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