exam Maths Puzzle Numerical Ability

Using the given equation, solve for x in terms of y, and solve for y in terms of x.

5y^2 + 3xy - 2x^2 = -3

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exam Other Question

the sum of two numbers is 90. The larger number is twice he smaller number. What are the two numbers? you are in charge of building a wheelchair ramp for a doctors office. federal regulations require that the ramp must extend 12inches for every 1inch of rise.the ramp needs to rise