Question

4x+3y=√1600 ,6x-5y=√484​

Answer 1

4x + 3y = 40.........(i)

6x - 5y = 22.........(ii)

Multiplying equation (i) by 5 and equation (ii) by 3

20x + 15y = 200.........(iii)

18x - 15y = 66............(iv)

Add both the above equations

38x = 266

x = 7

Substituting x = 7 in eq. (i)

4*7 + 3y = 40

28 + 3y = 40

3y = 12

y = 4

(7,4) is the solution of the given simultaneous equation

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Answer 2

Answer:

Hence, x > y.

Step-by-step explanation:

(a)

4x + 3y = 40 ……….(i) ×6

6x – 5y = 22 ………(ii) ×4

24x – 20y = 88

———————

38y = 152

y = 152/38  = 4

Putting the value of y in equation (i), we have 4x + 3 x 4 = 40

or, 4x = 40 12 = 28

x = 7

Hence, x > y.