Question

Solve the following linear equations
5х + 6у = 13
7х + 5y=8​

Answer 1

Step-by-step explanation:

1) 5x+6y=13

x+y= 13/30 ANS.

2) 7x+5y=8

x+y= 8/35 ANS.

I think u Understand the answer.

Answer 2

Answer:

5х + 6у = 13 .....(1)

7х + 5y=8.........(2)

We have to eliminate y and multiply (1) by 5 and (2) by 6

25x+30y = 65

42x+30y = 48

(-) (-) (-)

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

-17x = 17

x = 17/-17

x = -1 ✔️

Putting x = -1 in the equation no 1 we get,

25x+30y = 65

=> 25(-1)+30y = 65

=> -25+30y = 65

=> 30y = 65+25

=> 30y = 90

=> y = 90/30

=> y = 3✔️

Hence, the value of x = -1 and y = 3

Step-by-step explanation:

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