-4+6+-4+9=

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Solution for -4+6+-4+9= equation: 


Simplifying
-4 + 6 + -4 + 9 = 0

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

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

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

Solving
7 = 0

Couldn't find a variable to solve for.

This equation is invalid, the left and right sides are not equal, therefore there is no solution.

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