exam Maths Puzzle Numerical Ability

Find x in the solution of the system 3x + y = 2 and 2x - 3y = 16.

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exam Other Question

Tutor,

If I could bother you for some help solving this problem I would appreciate it.

Find the x intercepts:

y = x^2 + x - 6

Thank you. A kayaker paddled 2 hours with a 6 mph current in a river. The return trip against the same current took 3 hours. Find the speed the kayaker would make in still water.