Solve system of equations

3x+y=13

2x-y=2

I need step by step instructions please and thank you
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1 Answer

Add the two equations to eliminate a variable: 5x=15, so x=3. Now we can substitute 3 for x in either equation: 9+y=13 or 6-y=2. Solving either of these equations y=4. So the solution is x=3, y=4.

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