exam Maths Puzzle Numerical Ability

Please solve and graph the following solution sets of inequalities. Thank you! I have been sitting here for the longest trying to figure them out.

1.) 3x > 2x - 4


2.) 7(x - 3) > 5x - 14 Is this correct? 7.(x - 3) > 5x - 14

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exam Other Question
3x/(x+3)+ 9/(x+3) the bus headed north at noon at 50 mph. at 2pm, the train headed north from the same station at 70 mph. what time was it when the train got within 40 miles of the bus.