0.9(-0.8)-1.3=-3.1

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Solution for 0.9(-0.8)-1.3=-3.1 equation: 


Simplifying
0.9(-0.8) + -1.3 = -3.1

Multiply 0.9 * -0.8
-0.72 + -1.3 = -3.1

Combine like terms: -0.72 + -1.3 = -2.02
-2.02 = -3.1

Solving
-2.02 = -3.1

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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