3[20-4(2-1)]=

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Solution for 3[20-4(2-1)]= equation: 


Simplifying
3[20 + -4(2 + -1)] = 0

Combine like terms: 2 + -1 = 1
3[20 + -4(1)] = 0

Multiply -4 * 1
3[20 + -4] = 0

Combine like terms: 20 + -4 = 16
3[16] = 0

Multiply 3 * 16
48 = 0

Solving
48 = 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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