Question

If x = a and y = b is the solution of equations x - y = 2 and x + y = 4, find a and

b.

(a) a = 1, b = 3 (b) a = 2, b = -1 (c) a = 3, b = 1 (d) a = 1, b = -1 pls make it fast​

Answer 1

ANSWER

OPTION - (C) IS CORRECT

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Answer 2

Answer:

Step-by-step explanation:

x - y = 2.........(i)

x + y = 4........(ii)

We Know That in Equation-(ii)

x + y = 4

y = 4 - x

Now Putting The Value Of y In Equation-(i)

x - y = 2

x -(4 - x)=2

x - 4 + x =2

x + x = 2 + 4

2x = 6

x= $\frac{6}{2}$ = 3

Now Putting The Value Of x In Equation-(ii)

x - y = 2

3 - y = 2

-y =2 - 3

-y = -1

-(-y) = -(-1)

y = 1

We Have x = 3 , y = 1

So,a = 3 , b = 1

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