exam Maths Puzzle Numerical Ability

Write in Standard form. Find a: 3x2^ = 2x + 1

a) -3
b) 2
c) 1
d) 3
e) None of these

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exam Other Question

5 divided by x2 - 16 minus 3 divided by x2 - x - 12 The length of a rectangle is 2 cm more than twice its width.
If the perimeter of the rectangle is 52 cm, find the dimensions of the rectangle.