4[3]-2+[6+4.2]=

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Solution for 4[3]-2+[6+4.2]= equation: 


Simplifying
4[3] + -2 + [6 + 4.2] = 0

Multiply 4 * 3
12 + -2 + [6 + 4.2] = 0

Combine like terms: 6 + 4.2 = 10.2
12 + -2 + [10.2] = 0
12 + -2 + 10.2 = 0

Combine like terms: 12 + -2 = 10
10 + 10.2 = 0

Combine like terms: 10 + 10.2 = 20.2
20.2 = 0

Solving
20.2 = 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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