Question

solve by cross multiplication 4 x + Y = 3 x+2y=14​

Answer 1

Answer:

Hey mate kindly refer to this attachment plz..

The formula used is

$x \div b1c2 \: - \: b2c1 \: = \: y \div c1a2 \: - \: c2a1 \: = \: 1 \div a1b2 \: - \: a2b1$

Here a1=4, b1=1, c1=-3

Here a1=4, b1=1, c1=-3 a2=1, b2=2, c2= - 4

Hope this helps you...

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Yours sincerely

Jalay