-1+2=5+4*-1

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Solution for -1+2=5+4*-1 equation: 


Simplifying
-1 + 2 = 5 + 4 * -1

Combine like terms: -1 + 2 = 1
1 = 5 + 4 * -1

Multiply 4 * -1
1 = 5 + -4

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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