Question

5. Find the value of k, if (k, 3) is a solution of the equation
2x + 5 = 17.
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Answer 1

2x+5=17

(k, 3)i.e.,x=k,y=3

2k+5=17

2k =17-5

2k = 12

k=12/2

k=6

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I Hope this will help you

Answer 2

If y = 3 then x = (17 - 15)/2 = 1. Therefore the value of X which is equal to k is 1. k=x because k is at the position of x coordinate( 3 is at the position of y coordinate ).

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