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Solve the following system of equations by method of cross-multiplication: `2a x+3b y=a+2b , 3a x+2b y=2a+b`

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Solve the following system of equations by method of cross-multiplication: `2a x+3b y=a+2b , 3a x+2b y=2a+b`
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Correct Answer - ` x = (( 4a - b ))/( 5a) , y = (( 4b - a ))/(5b)`
` 2ax + 3by - ( a + 2 b ) = 0 and 3 ax + 2 by - ( 2 a + b ) = 0 `.
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