Question

the solution of the system of simultaneous linear equations 4x-3y=7 and 7x+5y=2 is
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Answer 1

Answer:

here you can apply more different methods.

by equating the value of x we get y easily..

you can also Check the solution putting it in any equation..

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Answer 2

Step-by-step explanation:

4x - 3y = 7. 1)

7x + 5y = 2. 2)

multiple eqn 1 by 5 and eqn 2 by 3

we get,

20x - 15y = 35. 3)

21x + 15y = 6. 4)

add eqn 1. and 2

20x - 15y = 35.

+ 21x + 15y = 6.

41x. = 41

x = 41/41

x = 1

put x =1. in eqn 4

21x + 15y = 6

21(1) + 15y = 6

21. + 15y = 6

15y = 6 - 21

y = -15/15

y = -1

x = 1 and y = -1

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