30-(-1)=31

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Solution for 30-(-1)=31 equation: 


Simplifying
30 + -1(-1) = 31

Multiply -1 * -1
30 + 1 = 31

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

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

Combine like terms: 31 + -31 = 0
0 = 31 + -31

Combine like terms: 31 + -31 = 0
0 = 0

Solving
0 = 0

Couldn't find a variable to solve for.

This equation is an identity, all real numbers are solutions.

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