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labwork [276]
3 years ago
9

How many more practices did they have?

Mathematics
1 answer:
s344n2d4d5 [400]3 years ago
3 0
X represents morning
y represents afternoon
x+y=10.
5x+6y=57
multiply the first equation by -6 (elimination)
-6x+-6y=-60.
Then add the two equations together
-x=-3
x=3
three morning practices final answer
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