2x + y = 5 , 3x - y = 5
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Answer:
3x - y = 5
3x - 5 = y
2x + y = 5
2x + 3x - 5 = 5
5x = 5 + 5
5x = 10
x = 10/5
x = 2
y = 3x - 5
y = 6 - 5
y = 1
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So the answer is y=1 see below with explanation
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