exam Maths Puzzle Numerical Ability

PLEASE HELP WITH THE FOLLOWING PROBLEM:

SOLVE FOR x. 3x-2y=6

THANKS
JMS

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exam Other Question

Factor each trinomial

7x^2+x-8

4m^2-17m+18

14m^2+17m-22
Jim and Juan are going to drive their motorcycles from Gastonia to Charleston. Jim leaves at 8:00 am but Juan can not leave until 8:30 am. If Jim drives at 50 mph and Juan drives at 55 mph, at what time will Juan catch up with Jim?