Answer:
Solution (5/7 , 12/7)
Explanation:
5x + 2y = 7
y = x + 1
Substitute y=x+1 into 5x + 2y = 7
5x + 2(x + 1) = 7
5x + 2x + 2 = 7
7x = 5
x = 5/7
Substitute x = 5/7 into y = x + 1
y = 5/7 + 1
y = 5/7 + 7/7
y = 12/7
Answer
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