Question

x+3y=8,2x+y=6 by elimination method​

Answer 1

Step-by-step explanation:

x+3y=8. (I)

2x+y=6. (ii)

multiply equation one by two

2x+6y=16. (iii)

subtract equation 2 from equation 3

2x+6y=16

-2x-y=-6

5y=10

y=10/2

=5

putting y=5 in eqn

2x+5=6

2x=6-5

x=1/2

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Answer 2

Answer:

x+3y=8,2x+y=6

2×x+2×3y=2×8 ---------(1)

2×2x+2×y=2×6 ---------(2)

2x+6y=16---------(1)

6x+6y=18---------(2)

(-) (-) (-)

-----------------

-4x =-2

x =-2/-4

x =0.5

x + 3y =8

0.5+ 3y =8

3y =8-0.5

3y =7.5

y =7.5/3

y =2.5

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