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Mathematics
Gideon Sampson
12 March, 23:54
Solve the system of linear equations below.
X+y=4
2x+3y=0
+3
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1
)
Libby Rodriguez
13 March, 01:44
0
X + y = 4 ... x = 4 - y
2x + 3y = 0
2 (4-y) + 3y = 0
8 - 2y + 3y = 0
-2y + 3y = 0 - 8
y = - 8
x + y = 4
x - 8 = 4
x = 4 + 8
x = 12
solution is : (12,-8)
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