(4) 5m - 3n = 19; m - 6n = -7
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Answers
Answered by
0
Step-by-step explanation:
m-6n=-7
m=6n-7
And, 5m-3n=19
5(6n-7)-3n =19
30n-35-3n=19
27n=35+19
27n=54
n=2
Again, m=5×2-7 =10-7 =3
Answered by
0
Step-by-step explanation:
4m=26
26/4=m
m=13/2
13/2-6n=-7
13/2+7=6n
13/2+14/2=6n
27/2=6n
27/12=n
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