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⇒43 x + 37 y = 177

TO FIND ;-

x and y in the given sum

SOL ;-

37 x + 43 y - 43 x - 37 y = 6

- 6 x + 6 y = - 54

Let us now add equation 3 and 4 to get the final result -

⇒ 2 x = 51 / 4

so x is equal to

y = x - 9

y = 51 / 8 - 9

y = -21/ 8 is the answer.

Certified answers contain reliable, trustworthy information vouched for by a hand-picked team of experts. Brainly has millions of high quality answers, all of them carefully moderated by our most trusted community members, but certified answers are the finest of the finest.

37 x + 43 y = 123 ----(1)

43 x + 37 y = 177 --- (2)

(1) - (2) : - 6 x + 6 y = - 54

=> x - y = 9 --- (3)

(1) + (2) : 80 x + 80 y = 300

=> x + y = 15/4 -- (4)

add (3) and (4): 2 x = 9 + 15/4 = 51/4

=> x = 51/8

=> y = x - 9 = -21/8

43 x + 37 y = 177 --- (2)

(1) - (2) : - 6 x + 6 y = - 54

=> x - y = 9 --- (3)

(1) + (2) : 80 x + 80 y = 300

=> x + y = 15/4 -- (4)

add (3) and (4): 2 x = 9 + 15/4 = 51/4

=> x = 51/8

=> y = x - 9 = -21/8