1-(-9)=5

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Solution for 1-(-9)=5 equation: 


Simplifying
1 + -1(-9) = 5

Multiply -1 * -9
1 + 9 = 5

Combine like terms: 1 + 9 = 10
10 = 5

Solving
10 = 5

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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