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Bingel [31]
3 years ago
5

-7x+y=-19 -2x+3y=-19

Mathematics
2 answers:
max2010maxim [7]3 years ago
6 0
-7-2=-9
y+3y=4y

-9x+4y=-19
sveta [45]3 years ago
5 0
Y=7x-19

-2x+3(7x-19)=-19
-2x+21x-57=-19
19x-57=-19
19x=38
x=2

-7(2) + y = -19
-14 + y = -19
y=-5
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