Question 153

$$\sqrt{444 \div 37 + 15 + 11 \times (?)} = 7$$

Solution

$$\sqrt{444 \div 37 + 15 + 11 \times (x)} = 7$$
$$\sqrt{12 + 15 + 11\times x}$$ = 7

12 + 15 + 11*x = 49

11 * x= 49 - 27 = 22
x = $$\frac{22}{11}$$

= 2

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