exam Maths Puzzle Numerical Ability

Solve by the addition method?

x + 6y = 32
-x + 3y = 13

What is the solution of the system?
(Type an order pair)

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exam Other Question
3/2L=-4m what is L Simplify:

Log(base a)x^a - log (base b)a^x + c, as a single logarithm