jprincess1105 jprincess1105

14-04-2017
Mathematics

contestada

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

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texaschic101 texaschic101

14-04-2017

-9x + y = 17
9x + 9y = 19
------------------add
10y = 36
y = 36/10 = 18/5 <==

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