Use Cramer’s Rule to solve (if possible) the system of linear equations. 2x-y=-10 3x+2y=-1

opatovaL

opatovaL

Answered question

2020-11-30

Use Cramer’s Rule to solve (if possible) the system of linear equations.
2x-y=-10
3x+2y=-1

Answer & Explanation

gotovub

gotovub

Skilled2020-12-01Added 98 answers

Here,
D=[2132]=4(3)=7
Dx=[10112]=201=21
Dy=[21031]=2(30)=28
By using cramer's rule
x=DxD=(21)7=3
y=DyD=287=4
Thus,
x=-3
y=4

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