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Mathematics
Giancarlo
26 August, 23:33
3 х + Зу = 8
2 х - у = 5
what is the solution?
+1
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1
)
Trevon Williamson
27 August, 00:29
0
x = 23/9
y = 1/9
Step-by-step explanation:
2x - y + y - 5 = 5 + y - 5
2x - 5 = y
3x + 3 (2x - 5) = 8
3x + 6x - 15 = 8
9x/9 = 23/9
x = 23/9
2x - 5 = y
2 (23/9) - 5 = y
46/9 - 5 = y
1/9 = y
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