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Three times the sum of a number and three is equal to six times the number, minus three. Find the number The number is ?
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7 votes
7 votes
Three times the sum of a number and three is equal to six times the number, minus three. Find the number

The number is ?

User Fbrereto
by
2.6k points

2 Answers

24 votes
24 votes
3x + 3 = 6x - 3
3x - 6x = - 3 - 3
- 3x = - 9
- 3x = - 9 . ( - 1 )
3x = 9
x = 9/3
x = 3
User Holyxiaoxin
by
3.1k points
12 votes
12 votes

Answer:

n = 4

Explanation:

3(n + 3) = 6n - 3

3n + 9 = 6n - 3

12 = 3n

n = 4

User Mauro Bilotti
by
2.8k points
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