Question

3x+9=0 in 1 and 2 variable​

Answer 1

Answer:

It is,

3x+9=0

3×-3+9=0

-9+9=0

0=0

Hence -3 is equal to x

Answer 2

Answer:

3x+9=0

3x=0-9

3x=0-9

3x=-9

x=-9/3

x=-3

it's your ans......