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1 vote
Solve the following equation.

3x-3=21

What is the value of x

User Joedragons
by
5.5k points

2 Answers

4 votes
x= 8

3x8=24

24-3=21

X is 8 because 8 x 3 is 24 then minus the three and it equals 21

User Baudtack
by
5.9k points
6 votes
1 Add 3 to both sides

3x=21+3
2 Simplify 21+3 to 24

3x=24
3 Divide both sides by 3

x = 24/3

4 Simplify 24/3 to 8

x = 8

So, your answer is x = 8.

I hope this helps. And have a great day. :)


User Serhio
by
6.9k points