c+10=21

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Solution for c+10=21 equation: 


Simplifying
c + 10 = 21

Reorder the terms:
10 + c = 21

Solving
10 + c = 21

Solving for variable 'c'.

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

Add '-10' to each side of the equation.
10 + -10 + c = 21 + -10

Combine like terms: 10 + -10 = 0
0 + c = 21 + -10
c = 21 + -10

Combine like terms: 21 + -10 = 11
c = 11

Simplifying
c = 11

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