Question

if x is root of equation 5x=15 then the value of 3x-9​

Answer 1

Answer:

0

Step-by-step explanation:

given 5x=15 then x=15/5 then x=3 then 3x-9 is. 3(3)-9 is 9-9 =0

Answer 2

Answer:

0

Step-by-step explanation

Root of equation means zero of it ( or) we will get x as 3 and if we put x =3 in 3x-9 then it will become zero.

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