Question

what is the solution of the
equation 8 x + 3y= 5 and 3x-2y=5? ​

Answer 1

Step-by-step explanation:

8x+3y=5

8x= 5-3y

x= (5-3y)/8

putting the value of x in eq 2

3x-2y=5

3(5-3y)/8 -2y= 5

(15-9y-16y)/8= 5

15-25y=5×8

-25y= 40-15

y= -25/25 = -1

therefore x= (5-3(-1))/8

= (5+3)/8

= 8/8= 1

Answer 2

Answer:

x = 1 , y = -1

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Step-by-step explanation:

8x + 3y = 5    ×   2

3x - 2y = 5     ×   3

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

16x + 6y = 10

9x  - 6y = 15

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25x = 25

x = 25/25 = 1

⇒x = 1

∵ 3x - 2y = 5 ⇒ 3 - 2y = 5

⇒ -2 = 2y

⇒ y = -1