Mathematics
26.05.2021 09:13
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I need help fast... if answered Correctly I will mark brainliest Choose the ordered
I need help fast... if answered Correctly I will mark brainliest
Choose the ordered pair which is the solution to: -2x + 7y = 17 and 3x - 4y = -19.
O (0,17/7)
O (-1,-2)
O (-5,1)
O (-1,3)
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O (0,17/7)
O (-1,-2)
O (-5,1)
O (-1,3)
Evycin
4,8(75 marks)
9514 1404 393
ย (-5,1)
Step-by-step explanation:
To eliminate x, multiply the first equation by 3 and add 2 times the second equation.
ย 3(-2x +7y) +2(3x -4y) = 3(17) +2(-19)
ย -6x +21y +6x -8y = 51 -38
ย 13y = 13
ย y = 1 . . . . . matches the third answer choice
ย (x, y) = (-5, 1)
lakeshia8880
4,5(91 marks)
umm, 4??
Step-by-step explanation:
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