5x+2y=-3,x+5y=4 solve by cramers rule
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Answer:
Cramer's rule is my favorite
Step-by-step explanation:
D=5 2
1 5
=5×5-2×1
=25-2
=23
Dx=3 2
4 5
=3×5-4×2
=15-8
=7
Dy=5 3
1 4
=5×4-3×1
=20-3
=17
x=Dx/D
=7/23
y=Dy/D
=17/23
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