5m-3n=19 ; m-6n=-7
please
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Answer:
(m, n) = (5, 2)
Step-by-step explanation:
5m-3n=19
m-6n= -7
multiply (m-6n= -7 ) by 5
5m- 30n= -35
Now,
(5m-3n=19) - (5m- 30n= -35)
So, 27n= 54
n= 54/27
n= 2
Put, n= 2 in (m-6n= -7)
So, m- 12= -7
m= 12-7
m= 5
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