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Allisa [31]
3 years ago
11

-9x +y =17 9x + 9y=19 solve for y equation 1

Mathematics
1 answer:
Ksivusya [100]3 years ago
6 0
-9x + y = 17
9x + 9y = 19
------------------add
10y = 36
y = 36/10 = 18/5 <==
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