.9(-.8)-1.3=-1.3

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Solution for .9(-.8)-1.3=-1.3 equation: 


Simplifying
0.9(-0.8) + -1.3 = -1.3

Multiply 0.9 * -0.8
-0.72 + -1.3 = -1.3

Combine like terms: -0.72 + -1.3 = -2.02
-2.02 = -1.3

Solving
-2.02 = -1.3

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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