exam Maths Puzzle Numerical Ability

My question has to be solved using elimination. The two equations in the question are:
5x+2y=18 and,
3x+2y=10.

How can I solve this and what is the correct answer?
Thank you!
Amber Robinson

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exam Other Question

Factor each polynomial as completely as possible. Please help me understand. thanks!

24b^2-30b-9
5sin x - csc x = 0