book Maths Puzzle Numerical Ability

i have another question, and this is how to find the points so that i can graph y=2x-1 this is totally different from the one i just sent to you, and i dont get how to solve th

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book Other Question

mr. west drove his car from home to chicago at the rate of 40 mph. amd returned at a rate of 45mph. if his time going exceed his time returning by 30 minutes, find his time going and his time returning graph the linear function 2x+y=15

can you help me solve this question?

and help me ifnd out what the x intercept is and what it represents in this situation

stevani winters