Question

if (2x+1, x+y+3) = (3,-1) find the values of x and y​

Answer 1

Answer:

2x+1=3

2×=2

×=1

x+y+3=-1

1+y +3= -1

y = -5

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Answer 2

Answer:

(2x+1) = 3 (given in question)

⇒ 2x = 3 - 1

⇒ 2x = 2

⇒ x = 2/2

∴ x = 1

( as we found the value of "x" , it is easy to find the value of "y")

x+y+3 = -1  (GIVEN IN QUESTION)

⇒ 1 + y + 3 = -1

⇒ y +4 = -1

⇒ y = -1 - (+4)

⇒ y = -5

∴ x = 1     y = -5

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