Question

can someone please answer this :- solve using elimination method 3x-2y=12,4x-5y=16​

Answer 1

Answer:

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Answer 2

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(3x-2y=12)....Multiply this equation by 5

=15x-10y=60......eqn1

(4x-5y=16)....Multiply this equation by 2

=8x-10y=32.....eqn2

Using elimination method....

By subtracting eqn2 from eqn 1

15x-10y=60

-(8x)-(-10y)=-(32)

_______________. (10y got cancelled)

7x=28

=>x=4

Using eqn2 we can find y

4x-5y=16

16-5y=16

5y=16-16

5y=0

y=0