Question

If 3(∅+4)-2=4,then∅=?

Answer 1

Answer:

$3( \theta + 4) - 2 = 4 \\ 3 \theta + 12 - 2 = 4 \\ 3 \theta + 10 = 4 \\ 3 \theta = - 6 \\ \theta = - 2$

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Answer 2

Let, ∅ = x

3(x + 4) - 2 = 4

3(x + 4) = 4 + 2

(x + 4) = 6/3

x = 2 - 4

So, x = -2

Hence, ∅ = x = -2 _______ (Ans.)