6+(-4)+(-9)+7=

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Solution for 6+(-4)+(-9)+7= equation: 


Simplifying
6 + (-4) + (-9) + 7 = 0
6 + -4 + (-9) + 7 = 0
6 + -4 + -9 + 7 = 0

Combine like terms: 6 + -4 = 2
2 + -9 + 7 = 0

Combine like terms: 2 + -9 = -7
-7 + 7 = 0

Combine like terms: -7 + 7 = 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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