Math, asked by sweta73, 1 year ago

13+2y=9x 3y =7x ( by elimination method )

Answers

Answered by hdewangan
65
Your answer is on the pic.
If you satisfied mark it brainliest.
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hdewangan: Can u tell me this is the question of which class?
hdewangan: Is it of 10th?
sweta73: but this question is in my 9th cls book
sweta73: no
hdewangan: oh. No problem. If u need any other help u can ask me
Answered by sijasubbiah
38
Hey

Here is your answer,

13+2y=9x
9x-2y=13------------eq.1
3y=7x
7x-3y=0-----------eq.2

Solving both the equation,

Eq. 1 x 3 ➡27x - 6y=39
Eq. 2x 2 ➡14x - 6y =0
----------------------
13x = 39
X=3

Substituting the value of x in equation 2,

7x-3y=0
7x3-3y=0
-3y=-21
Y=7

Hope it helps you!
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