Question

if 3x + 5y = 9 and 5x + 3x = 7 find value of x and y.​

Answer 1

Step-by-step explanation:

3x+5y=9-----(1)

5x+3y=7-----(2)

multiplying eq(1) by 5 & eq(2) by 3 we get

15x+25y=45

-15x ± 9y= - 21

_____________

16y=24

y=

16

24

=

2

3

[y=

2

3

] and x=

3

9−5x

2

3

=

2

−1

Hence[x=

2

1

]& [y=

2

3

]

so x+y=

2

1

+

2

3

=2

Answer 2

Answer:

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Step-by-step explanation:

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