exam Maths Puzzle Numerical Ability

Do I arrange this problem x+y=12 I do not know if I put 2x under the x Please show me! y=2x

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exam Other Question

In a fraction twice the numerator is two more than the denominator . If 3 is added to the numerator and the denominator the new fraction is 2/3. FInd the original Fraction. Solve 5(x - 2)^2 = 3