exam Maths Puzzle Numerical Ability

Difference of two numbers is 14. The second is less that 2 times the first. What are two numbers?
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> I found a way for this to be both -13 and -27, or 15 and 29. Which is correct?

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exam Other Question
If a function rule is 2x - 3 what is the output for 3? Which is the slope of Ax+By=C?

-B/A C/A -A/B C/B