Question

3(∅+4)−2=4, then ∅=?

Answer 1

Answer:

3(0+4)-2=4

3×0+12=4

0+12 =4

0=-8

Answer 2

3(∅+4)−2=4

=> 3∅ + 12 - 2 = 4

=> 3∅ + 10 = 4

=> 3∅ = 4 - 10

=> 3∅ = -6

=> ∅ = -6/3

=> ∅ = -2

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