=20-4*2

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Solution for =20-4*2 equation: 


Simplifying
0 = 20 + -4 * 2

Multiply -4 * 2
0 = 20 + -8

Combine like terms: 20 + -8 = 12
0 = 12

Solving
0 = 12

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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