3x+15(0.8-0.2x)=-1

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Solution for 3x+15(0.8-0.2x)=-1 equation: 


Simplifying
3x + 15(0.8 + -0.2x) = -1
3x + (0.8 * 15 + -0.2x * 15) = -1
3x + (12 + -3x) = -1

Reorder the terms:
12 + 3x + -3x = -1

Combine like terms: 3x + -3x = 0
12 + 0 = -1
12 = -1

Solving
12 = -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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