30-c=31

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Solution for 30-c=31 equation: 


Simplifying
30 + -1c = 31

Solving
30 + -1c = 31

Solving for variable 'c'.

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

Add '-30' to each side of the equation.
30 + -30 + -1c = 31 + -30

Combine like terms: 30 + -30 = 0
0 + -1c = 31 + -30
-1c = 31 + -30

Combine like terms: 31 + -30 = 1
-1c = 1

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

Simplifying
c = -1

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