Question

x+3y=7;2x+y=1 आलेख पध्दतीने सोडवा​

Answer 1

x + 3y = 7 ------------------- ( 1 )

2x + y = 1 ------------------- ( 2 )

Multiply by 2 to eqñ ( 1 )

2x + 6y = 14 -----------------( 3 )

By subtracting ( 2 ) and ( 3 )

2x + y = 1

2x +6y= 14

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- - -

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-5y = -152

y = 3

put y in eqñ ( 1 )

x + 3y = 7

x + 9 = 7

x = -2