JoeWeidner
JoeWeidner
10-02-2017
Mathematics
contestada
How do you solve for x and y?
Respuesta :
wolf1728
wolf1728
10-02-2017
A) 3x -2y = -8
B) x +5y = 20
Multiply B times -3
B) -3x -15y = -60 Then adding this to A)
A) 3x - 2y = -8
-17y = -68
y = 4
B) x +5y = 20
x + 20 = 20
x = 0
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