exam Maths Puzzle Numerical Ability

Solve the system by substitution.
x - 3y = 14
-3x + 5y = -14

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exam Other Question

I need to check my answer:

Solve the equation:
x/2x+2= -2x/4x+4 + 2x-3/x+1

Thank you again The cost to rent a car is $19.50 plus $.25 per mile. If you have $44 to rent a car, what is the greatest number of miles that you can drive?