Question

x+y=140
x-y=14
find x and y​

Answer 1

Answer:

x=77 & y=63

Step-by-step explanation:

refer to the pic

Answer 2

Answer:

x + y = 140. (1)

x. - y. = 14. (2)

adding eq 1 and 2

x. +. y. =140

x. -y. = 14

2x. =. 154

x. =. 77

putting the value of x in (2)

77. - y. =. 14

-y. = - 63

y. = 63

hence the value of x and y is 77 and 63

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