exam Maths Puzzle Numerical Ability

if 2 is subtracted from a number and this difference is tripled, the result is 6 more than the number.Find the number.

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exam Other Question

Solve by using the quadratic formula. x^2 = -5x - 5 The surface area of a cube is the sum of the areas of the faces. Use exopents to write an expression for the surface area of the cube. (3sides-3cm)