Respuesta :

NightTimeDeath

Answer:

Will you try to please repost it so i can better answer it and try to reword it some because it's a bit confusing for those who want to help me

anitziacjsantos

Answer:

Step-by-step explanation:

3(x+1)=21

get the equation in parenthesis and multiply it by 3

3x+3=21

Now you subtract 3 from each side to leave 3x by itself

3x=18

now, divide 3 by each side to leave x by itself

x=6

(Hope this helps you)