SOLUTION: Problems with Algebra. Evaluate D X+2y=3 3y-x=2 D = ?
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Question 465230
:
Problems with Algebra.
Evaluate D
X+2y=3
3y-x=2
D = ?
Answer by
ewatrrr(24785)
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Hi,
Note:
x+2y =3
-x+2y =2
D =
= 1*2 - (2*-1) = 2 + 2 = 4
Note:
=