1-(-1.5)=-9

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Solution for 1-(-1.5)=-9 equation: 


Simplifying
1 + -1(-1.5) = -9

Multiply -1 * -1.5
1 + 1.5 = -9

Combine like terms: 1 + 1.5 = 2.5
2.5 = -9

Solving
2.5 = -9

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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