Question

If x+y=137 and x-y=43. How is value of x and y?

Answer 1

Given Equations:-

x + y = 137 - (1)

and

x - y = 43 - (2)

On adding Equation (1) and (2) , We get

x + y + x - y = 137 + 43

2x = 180

x = 180/2 = 90

Now putting this value of x in Equation (2) , We get

90 - y = 43

90 - 43 = y

47 = y

Hence solved...

Hope it helped...

Answer 2

Answer:

x = 90, y = 47

Step-by-step explanation:

Given :

x + y = 137

&

x - y = 43

To solve for x & y

Solution :

We know that,

The given equations are ,

x + y = 137 ...(i)

x - y = 43   ...(ii)

By adding both the equations,

We get,

(i) + (ii) ⇒ (x + y) + (x - y) = 137 + 43

⇒ 2x = 180 ⇒ x = 90

_

By substituting the value of x in equation (i),

We get,

⇒ x + y = 137

⇒ 90 + y = 137 ⇒ y = 137 - 90 = 47

∴ The values of x & y are 90 & 47 respectively.