Question

x+2y=-1 and 2x-3y=12​

Answer 1

Answer:

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Step-by-step explanation:

We have

x + 2y = -1 …(i)

2x – 3y = 12 …(ii)

From equation (i),

x + 2y = -1

⇒ x = -2y – 1 …(iii)

Substituting the value of x from equation (iii) in equation (ii), we get

2(-2y – 1) – 3y = 12

⇒ -4y – 2 – 3y = 12

⇒ -7y – 2 = 12

⇒ -7y = 2 + 12

⇒ -7y = 14

⇒ y = -2

Putting this value of y in equation (iii), we get

x = -2(-2) – 1

⇒ x = 4 – 1

⇒ x = 3

Answer 2

Answer:

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