Question

. If x=a and y=b - 1 is the solution of the linear equation x-y=2 and x + y=4 , then find the value of a and b.

Answer 1

Answer:

10th

Maths

Pair of Linear Equations in Two Variables

Algebraic Solution of a Pair of Linear Equations

If x = a, y = b is the solu...

MATHS

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Asked on December 30, 2019 by

Sarah Sonkar

If x=a,y=b is the solution of the equations x−y=2 and x+y=4, then the values of a and b are, respectively:

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ANSWER

Given, x−y=2 and x+y=4.

Adding both the equations, we get 2x=6

⇒x=3

Putting the value of x in one of the equations, we get

3−y=2 ⇒y=1

As stated in the question, x=a and y=b.

Thus, a=3 and b=1

Answer 2

Answer:

X - 3

Y - 1

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