Question

if x=3,. then find the value of K 2(kx+5)=7+3x​

Answer 1

Answer:

Step-by-step explanation:

2 ( kx + 5 ) = 7 + 3x

⇒2 ( 3k + 5 ) = 7 + 9 ( ∵ On substituting x = 3 )

⇒6k + 10 = 16

⇒6k = 16 - 10 ( ∵transposing )

⇒ 6k = 6

⇒ k = 6/6 ( ∵transposing )

⇒ k = 1 is the answer.