Question

2x-y =6 , x-y =2 by cross multiplication method ​

Answer 1

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Apply this formula.... ...........

Therefore, y = (c₂a₁ - c₁a₂)/(b₁a₂ - b₂a₁) = (c₁a₂ - c₂a₁)/(a₁b₂ - a₂b₁) where (a₁b₂ - a₂b₁) ≠ 0

Therefore, y/(c₁a₂ - c₂a₁) = 1/(a₁b₂ - a₂b₁), -------------

you get x=4 and y=2

Answer 2

Answer:

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Step-by-step explanation:

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