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Fittoniya
[83]
3 years ago
14
2x + 3y = –19 –2x − y = 1
Mathematics
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1
answer:
Delicious77
[7]
3 years ago
6
0
The x both cancels out
So you’re left with 2y=-18 (add 3y to negative y and -19 and 1)
Divide by 2 and y equals -9
Plug in y to get x
2x + 3(-9) = -19
2x + -27 = -19
Add 27 to both sides
2x= 8
Divide by 2, x= 4
So x= 4 and y = -9
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