Question

2x+y=7, 4x-3y+1=0 the value of x and y in the given equations are......​

Answer 1

Answer:

answer .. x = 2

y = 3

Step-by-step explanation:

2x + y = 7 ...... (1)

4x - 3y = -1 ...... (2)

(2) x 1 4x - 3y = -1

(1) x 3 6x +3y = 21

add 10x = 20

x = 2

x= 2, 2(2) + y = 7

y= 7- 4

y= 3

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Answer 2

Given:-

• 2x+y=7
• 4x-3y+1=0

To find:-

• Value of x & y .

Solution:-

We shall solve this through substituition method.

Given ,

2x + y = 7

=> y =7 - 2x

Substituiting the value of 'y' in 4x-3y+1=0 :

=> 4x - 3(7-2x)+1 = 0

=> 4x - 21 + 6x + 1 = 0

=> 10x - 20 = 0

=> x = 20 / 10

=> x = 2.

Now , substituiting the values of 'x' in 2x+y=7 :

=> 2(2) + y = 7

=> 4 + y = 7

=> y = 7-4

=> y = 3.

Hence , the value of x & y are 2 & 3 respectively .

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