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anzhelika [568]
3 years ago
9

A.(-5/7,2/7) B. Infinite solutions C. No real solutions D. (2/7,-5/7)

Mathematics
1 answer:
slava [35]3 years ago
6 0
3x + 4y = -2
y = x - 1

3x + 4(x - 1) = -2
3x + 4x - 4 = -2
7x = -2 + 4
7x = 2
x = 2/7

y = x - 1
y = 2/7 - 1
y = 2/7 - 7/7
y = -5/7

solution is : (2/7,-5/7)
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Answer:

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