exam Maths Puzzle Numerical Ability

the sum of two numbers is 156 there product is 900

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exam Other Question

My study question asks....Solve the following systems of equation by any method.

All I am asking for is the name of a method so I can look up the order or way to solve it.

3x-2y=12

and

2x+y=8

Thanks! Graph each inequality.

2x - y + 3 is greater than or equal to 0