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Lana71 [14]
3 years ago
11

Plz help with this!!!

Mathematics
1 answer:
Pachacha [2.7K]3 years ago
7 0
4x - y = 61 
2y = x

substitute x = 2y in first equaation:-

4(2y) - y = 61
7y = 61 
y = 61/7 

so x = 2 * 61/7  = 122/7

y = 8 5/7  and x = 17 3/7
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