2c+17=21

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Solution for 2c+17=21 equation: 


Simplifying
2c + 17 = 21

Reorder the terms:
17 + 2c = 21

Solving
17 + 2c = 21

Solving for variable 'c'.

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

Add '-17' to each side of the equation.
17 + -17 + 2c = 21 + -17

Combine like terms: 17 + -17 = 0
0 + 2c = 21 + -17
2c = 21 + -17

Combine like terms: 21 + -17 = 4
2c = 4

Divide each side by '2'.
c = 2

Simplifying
c = 2

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