-1+4.2(-1)(-2)+3.0(-2)=

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Solution for -1+4.2(-1)(-2)+3.0(-2)= equation: 


Simplifying
-1 + 4.2(-1)(-2) + 3.0(-2) = 0

Multiply 4.2 * -1
-1 + -4.2 * -2 + 3.0(-2) = 0

Multiply -4.2 * -2
-1 + 8.4 + 3.0(-2) = 0

Multiply 3.0 * -2
-1 + 8.4 + -6 = 0

Combine like terms: -1 + 8.4 = 7.4
7.4 + -6 = 0

Combine like terms: 7.4 + -6 = 1.4
1.4 = 0

Solving
1.4 = 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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