3x + 2y =11,2x + 3y= 4 cross multiplication
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Value of x is 5 and value of y is -2...
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Answer:
Step-by-step explanation:
3x+2y=11
2x+3y=4
a₁=3 , b₁=2 , c₁=11
a₂=2 , b₂=3 , c₂=4
x = y = 1
b₁c₂-b₂c₁ c₁a₂-c₂a₁ a₁b₂-a₂b₁
x = y = 1
2*4 - 3*11 11*2 - 4*3 3*3 - 2*2
x = y = 1
8-33 22-12 9-4
x = y = 1
-25 10 5
x = 1
-25 5
x=-5
y = 1
10 5
y=2
∴(x,y)=(-5,2)
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