3-[5-4(3+9)]=

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Solution for 3-[5-4(3+9)]= equation: 


Simplifying
3 + -1[5 + -4(3 + 9)] = 0

Combine like terms: 3 + 9 = 12
3 + -1[5 + -4(12)] = 0

Multiply -4 * 12
3 + -1[5 + -48] = 0

Combine like terms: 5 + -48 = -43
3 + -1[-43] = 0

Multiply -1 * -43
3 + 43 = 0

Combine like terms: 3 + 43 = 46
46 = 0

Solving
46 = 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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