Question

Que. If 3x - 2y = 5 and 3 y-2x = 3, then find the value of (x+y)​

Answer 1

Answer:

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Answer 2

Answer:

3x-2y=24 _____ (1)

2x-3y=18 _____ (2)

multiply (1) by 2

6x - 4y = 48

multiply (2) by 3

6x-9y=54

subtracting

6x - 4y = 48

6x - 9y = 54

- + -

___________

5y = -6

y= −

5

−6

3x−

2(−

5

6

)=

24

= 3x+

5

12

=

24

= 3x= 24−

5

12

=

5

120−12

=

5

108

∴ x=

5

36

x+ y=

5

36−6

=

5

30

=

6

x− y=

5

36+6

=

5

42