Math, asked by kinnu2005, 10 months ago

4 +3y=14 and 3-4y=23

Answers

Answered by Anonymous
4

Given equations are :

4x + 3y = 14 .....(i)

3x - 4y = 23 .....(ii)

Now,

4x + 3y = 14 .....(i) × 3

3x - 4y = 23 .....(ii) × 4

=>>

12x + 9y = 42

12x - 16y = 92

On subtraction, we get :

25y = - 50

or, y = -2

So y = -2

From (i), putting y = -2, we get :

4x + 3(-2) = 14

=> 4x - 6 = 14

=> 4x = 20

=> x = 5

So x =5

Therefore, the required solution isx = 5 and y = -2.

Answered by Chaitanyahere
10

4 + 3y = 14

= 3y = 14 - 4

3y = 10

y = 10/3

y = 3.33

3 - 4y = 23

= - 4y = 23 - 3

- 4y = 20

y = 20/-4

y = -5

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