7=-.4*4+4

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Solution for 7=-.4*4+4 equation: 


Simplifying
7 = -0.4 * 4 + 4

Multiply -0.4 * 4
7 = -1.6 + 4

Combine like terms: -1.6 + 4 = 2.4
7 = 2.4

Solving
7 = 2.4

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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