exam Maths Puzzle Numerical Ability

this is parallel to y=-3x+2, but passes through the point (1,-2)

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exam Other Question

If John Mark is travelling at 60km per hour. How hours will John take to drive an 18 kilomitre road? 2r+-7=1r--5

I am not sure if the negative 5 will become a positive because of the subtration in front of it. this how I would do the question
2r-1r+-7+7=1r-1r--5+7
r=12