Question

Sum of 2no. Is 17 and their diffrence is 4less than smaller number find the number

Answer 1

Answer:

y=7 and x=10

Step-by-step explanation:

Given:

x+y=17 (i)

x-y=y-4

=> x-2y= -4(ii)

Using the elimination method:

x+ y = 17

x-2y = -4

-   +     +

-----------------

3y= 21

thus, y = 7

substituting the value of y in eqn 1, we get:

x+7=17

Thus x = 10

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