Question

2x+3y =0,3x +4y=5 please​

Answer 1

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3X + 4Y = 5 ------ 1

2X + 3Y = 0 --------- 2

Multiply equation 1 by 2 and equation 2 by 3

We Get ,

6Y + 8Y = 10 ---- 3

6X + 9Y = 0 -------- 4

Subtract equation 3 and 4

- Y = 10

Y = -10

Put the value of Y = -10 in equation 4

6X - 90 = 0

6X = 90

X = 90 / 6

X = 15

Hence , X = 15 And Y = -10

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Answer 2

Answer :

Solution :-

2nd Equation

2x + 3y = 0 …........(i)

1st Equation

3x + 4y = 5 …........(ii)

Solving Eq (i) and (ii)

2x + 3y = 0 [×3]

3x + 4y = 5 [×2]

___________

6x + 9y = 0

6x + 8y = 10

____________

y = - 10

Putting y value in Eq (i)

⇒ 2x + 3y = 0

⇒ 2x + 3( - 10) = 0

⇒ 2x = 30

⇒ x = 15

Hence, we have x = 15 and y = - 10.