40+c=9+2c

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Solution for 40+c=9+2c equation:


Simplifying
40 + c = 9 + 2c

Solving
40 + c = 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.
40 + c + -2c = 9 + 2c + -2c

Combine like terms: c + -2c = -1c
40 + -1c = 9 + 2c + -2c

Combine like terms: 2c + -2c = 0
40 + -1c = 9 + 0
40 + -1c = 9

Add '-40' to each side of the equation.
40 + -40 + -1c = 9 + -40

Combine like terms: 40 + -40 = 0
0 + -1c = 9 + -40
-1c = 9 + -40

Combine like terms: 9 + -40 = -31
-1c = -31

Divide each side by '-1'.
c = 31

Simplifying
c = 31

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