-9(-1)+4(-3.1)=

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Solution for -9(-1)+4(-3.1)= equation: 


Simplifying
-9(-1) + 4(-3.1) = 0

Multiply -9 * -1
9 + 4(-3.1) = 0

Multiply 4 * -3.1
9 + -12.4 = 0

Combine like terms: 9 + -12.4 = -3.4
-3.4 = 0

Solving
-3.4 = 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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