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Shalnov [3]
3 years ago
8

Substitute 7x+2y = -14,x+y = 8

Mathematics
1 answer:
AysviL [449]3 years ago
3 0
From second equation  y = 8 - x so

7x + 2(8 - x) = -14
5x = -14 - 16 = -30
x = -6

and y = 8 - -6 = 14

Answer x=-6,y=14
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