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Mathematics
Maximo Raymond
25 December, 17:07
Solve the system of equations by substitution.
x+y=18
y=8x
+3
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2
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Erica Mcknight
25 December, 17:16
0
x=2, y=16
Step-by-step explanation:
x+y=18
y=8x
x+8x=18
x=2
y=16
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Moshe Lester
25 December, 19:29
0
2
Step-by-step explanation:
x + y = 18
y = 8x
x + 8x = 18
9x = 18
x = 18:9
x = 2
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