exam Maths Puzzle Numerical Ability

Can you plese help me with the following?

I need to solve and graph the following equation and interpet the result:

2x-3y=6 and 2x+y=-10.

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exam Other Question

Mr. Castro walked from his house to the park at 2 kph and return by trisikle at 8 kph his return journey takes 2 and a half hour less than his outward journey. Find the number of hours he spent on the road? I need some help with a few natural logs. Solve the natural logs.

4ln x - ln 2 = ln 128

ln 3 - (ln x + ln 6) = ln x - ln 8

ln 3 + ln 2x = 7


Thank you so much for