Question

solve the following pair of equation

X+Y-8/2 = X+2Y-14/8 = 3X+Y-12/11​

Answer 1

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We have,x+y−82=x+2y−143=3x+y−1211

Here, there are three equal expressions are given

.Equationg first two expressions, we getx+y−82=x+2−143

⇒143−82=y

⇒y=143−4=14−123=23

Now, equating first and third expressions, we get

x+y−82=3x+y−1211

⇒1211−4=2x

⇒2x=1211−4

⇒2x=12−4411

⇒2x=−3211

⇒x=−1611

Hence, x=−1611 and y=23

Answer 2

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