exam Maths Puzzle Numerical Ability

mixed practice 20 page 689

x y
- + -
2 3
------
2 3
- - -
x y

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exam Other Question

Solve the following system of linear equations by graphing. Show your graph.

3x-y<2
x+y>2 Please help me solve this problem. factor completly:7x^2+19x-36