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Mathematics
Rory Hale
12 November, 14:10
6. 5x + 2y = - 3
3x + 3y = 9
+4
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1
)
Josue Peterson
12 November, 15:54
0
x=-3
y=6
Step-by-step explanation:
5x+2y=-3 3x+3y=9
3x=9-3y
x=3-y
5 (3-y) + 2y=-3
15-5y+2y=-3
18=3y
6=y
x=3-y
x=3-6
x=-3
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