The solution to the system x + y = 5, x - y = 1 is
Solution
Correct Answer: Option B
দেওয়া আছে
x + y = 5....................(1)
x - y = 1....................(2)
(1) নং + (2)নং ⇒
x + y + x - y = 5 + 1
⇒ 2x = 6
∴x = 3
(1) নং ⇒
x + y = 5
⇒ 3 + y = 5
⇒ y = 5 - 3
∴ y = 2
নির্ণেয় সমাধান x = 3, y = 2
x + y = 5....................(1)
x - y = 1....................(2)
(1) নং + (2)নং ⇒
x + y + x - y = 5 + 1
⇒ 2x = 6
∴x = 3
(1) নং ⇒
x + y = 5
⇒ 3 + y = 5
⇒ y = 5 - 3
∴ y = 2
নির্ণেয় সমাধান x = 3, y = 2
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