3+-7+-4+9=

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Solution for 3+-7+-4+9= equation: 


Simplifying
3 + -7 + -4 + 9 = 0

Combine like terms: 3 + -7 = -4
-4 + -4 + 9 = 0

Combine like terms: -4 + -4 = -8
-8 + 9 = 0

Combine like terms: -8 + 9 = 1
1 = 0

Solving
1 = 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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