19+(-9)+(-19)+9=

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Solution for 19+(-9)+(-19)+9= equation: 


Simplifying
19 + (-9) + (-19) + 9 = 0
19 + -9 + (-19) + 9 = 0
19 + -9 + -19 + 9 = 0

Combine like terms: 19 + -9 = 10
10 + -19 + 9 = 0

Combine like terms: 10 + -19 = -9
-9 + 9 = 0

Combine like terms: -9 + 9 = 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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