8-13-(-4)=-1

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Solution for 8-13-(-4)=-1 equation: 


Simplifying
8 + -13 + -1(-4) = -1

Multiply -1 * -4
8 + -13 + 4 = -1

Combine like terms: 8 + -13 = -5
-5 + 4 = -1

Combine like terms: -5 + 4 = -1
-1 = -1

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

Combine like terms: -1 + 1 = 0
0 = -1 + 1

Combine like terms: -1 + 1 = 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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