(-5)+(-2)-(-7)-(-9)=

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Solution for (-5)+(-2)-(-7)-(-9)= equation:


Simplifying
(-5) + (-2) + -1(-7) + -1(-9) = 0
-5 + (-2) + -1(-7) + -1(-9) = 0
-5 + -2 + -1(-7) + -1(-9) = 0

Multiply -1 * -7
-5 + -2 + 7 + -1(-9) = 0

Multiply -1 * -9
-5 + -2 + 7 + 9 = 0

Combine like terms: -5 + -2 = -7
-7 + 7 + 9 = 0

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

Solving
9 = 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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