book Maths Puzzle Numerical Ability

find three solutions for for the equation y=2x+7

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Hello again. Once again I would like to verify my work. Could a tutor please show me the solution to the below problem. In advance, thank you.

Graph the hyperbola whose equ The longer leg of a triangle is 4 less than the hypotenuse. The longer leg is 2 less than twice the shortest leg. Find the sides of the triangle.