Question

in the pair of linear equation X + Y is equals to 14 and x minus y is equals to 4 the value of x and y is​

Answer 1

X + Y = 14 →(I)

X - Y = 4 → (II)

(I) X = 14 - Y

(II) 14 - Y - Y = 4

⇒14 - 2Y = 4

⇒2Y = 14 - 4

⇒2Y = 10

⇒Y = 5

(I) X + 5 = 14

⇒X = 14 - 5

⇒X = 9

∴X = 9

 Y = 5

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