25-05-2016
Mathematics

contestada

15x=-32-14y
9x=-64+14y

15x3214y 9x6414y class=

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jilly2272 jilly2272

25-05-2016

1) (15x=-32-14y)-1
2) 9x=-64+14y

1) -15x=32+14y
-
2) 9x=-64+14y

3) -24x=96
3) x=-4

Substitute x into 1) equation

1) 15*-4=-32-14y
1) -60+32=-14y
1) -28=-14y
1) y=2

Answer:

x=-4
y=2

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