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victus00 [196]
3 years ago
11

How can I solve this system of equations: x-y=-3 and -5x-2y=1

Mathematics
1 answer:
Ann [662]3 years ago
8 0
<span> x-y=-3 so y = x + 3
-5x-2y=1
substitute </span> y = x + 3 into -5x-2y=1
-5x - 2y = 1
-5x - 2(x + 3) = 1
-5x - 2x - 6 = 1
-7x= 7
   x = -1

y = x + 3 = -1 + 3 = 2

answer
(-1, 2)
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Possible solution for 4+x+2-2x=5
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