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Katen [24]
3 years ago
10

Which statement is true about the equations –3x + 4y = 12 and x – y = 1?

Mathematics
1 answer:
Firlakuza [10]3 years ago
6 0
-3x + 4y = 12
x - y = 1....x = y + 1

-3(y + 1) + 4y = 12
-3y - 3 + 4y = 12
-3y + 4y = 12 + 3
y = 15

x - y = 1
x - 15 = 1
x = 1 + 15
x = 16

one solution (16,15)

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