Answer:
1) -6
2) 6
3) -6i
Step-by-step explanation:
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Answer:
9:4 AND 4:13
Step-by-step explanation:
YOU HAVE TO SUBTRACT 9-13
3x + 5y = 1 . . . . . . . . (1)
7x + 4y = -13 . . . . . . .(2)
(1) x 7: 21x + 35y = 7 . . (3)
(2) x 3: 21x + 12y = -39 .(4)
(3) - (4) = 23y = 46
y = 46/23 = 2