Question

2x+3y=8;3x-y=1 find x and y value​

Answer 1

Answer:

x=1,y=2

Explanation:

3(2x+3y) = 3x8. (multiplying both sides by 3)

6x+9y=24 ---1eq

2(3x-y)=2x1. (multiplying both sides by 2)

6x-2y= 2 ---2eq

by subtracting 1 and 2 equations

6x+9y-(6x-2y) = 24-2

6x+9y-6x+2y = 22

11y=22

y=2

from 3x-y = 1

3x-2=1. (putting the value of y=2)

3x=3

x=1

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Answer 2

Answer:

x=1, y=2

Explanation:

2x+3y=8

3x-y=1

1. 6x+9y=24

2. 6x-2y=2

1-2=6x+9y-(6x-2y)=24-2

       6x+9y-6x+2y=22

        11y=22

          y=2

again,

y=2 put in the 2nd equation,

3x-2=1

3x=2+1

3x=3

x=1

thus,

x=1 and y=2