exam Maths Puzzle Numerical Ability

Solve using the elimination method:

3x-5y=-4
5x-3y=4

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exam Other Question

factor completly 81y^2 - 4 = (9x+2)(9x - 2) Solve the following inequality and express the solution as an interval: -18/6x-42>0: Solve the following inequality and express the solution as an interval:
-18/6x-42>0. Possibl