Question

5x+2y=-3,x+5y=4
solve above problem ​

Answer 1

Answer:

Here is your answer XD...

Step-by-step explanation:

From

2nd eq==========> x = 4 - 5y

Substitute above in eq 1

20 - 25y +2y = - 3

-23y = - 23

Y = 1

Substitute y=1 in eq 1

5 x + 2 = - 3

5x = - 5

X = - 1

(x,y) = (-1,+1)

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Answer 2

Answer:

5x + 2y = –3 .....(I)

x + 5y = 4 .....(II)

Multiply (II) with 5 we get

5x + 25y = 20 .....(III)

Subtracting (III) from (I) we get

5x−5x+2y−25y=−3−20

⇒−23y=−23

⇒y=−23−23=1

Putting the value of y = 1 in (II) we get

x+5(1)=4⇒x+5=4⇒x=4−5=−1

Thus, (x, y) = (−1, 1)