1.

2x-y=2. x+3y=15 solve by elimination method​

Answer»

Answer:

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

x+3y=15----------(2)

so MULTIPLYING equation(2) with 2

so. 2x-y=2

2x+6y=30

(-) (-) (-)

—--—--------------------

0 -7y=-28

so (y=4)

so 2x-y=2

2x-4=2

2x=6

( x=3 )

HENCE x=3 and y=4


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