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Mathematics
Dominic Mejia
26 March, 02:27
5x-9y-42=? (x+6) - 9 (y+?)
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Aliana Anderson
26 March, 03:23
0
5x-9y-42=5 (x+6) - 9 (y+8)
Step-by-step explanation:
given 5x-9y-42=5x-9y-72+30
=5x+30-9y-72
=5 (x+6) - 9 (y+8)
hence 5x-9y-42=5 (x+6) - 9 (y+8)
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Aylin Yoder
26 March, 04:10
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5 8
Step-by-step explanation:
Coefficient of x should be 5 so first? should be 5 let the second? = z
5*6-9*z=-42
30+42=9z
z=8
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