exam Maths Puzzle Numerical Ability

10x - 1/4 = 9x + 3/8

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exam Other Question

Let y vary directly with x, with a constant of variation k = 3. Graph the equation of variation.

I remember doing this and you divide the x/y = 3 but this is as far as I got. Can someone please help me. Thanks If x+p is a factor of ax*+bx+3, show that p(b-ap)=3.