Answer:
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)
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
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