4) The sum of three times a number and 6 is 21. Find the number.
a) 18
b)s
c) 10 d) 20
Answers
Answered by
0
Answer:
5
Step-by-step explanation:
Let the no. be x
3x + 6 =21
3x = 21-6
3x = 15
x =15/3
x = 5
Hope it helped
Similar questions
Physics,
2 months ago
Economy,
2 months ago
Political Science,
2 months ago
Accountancy,
4 months ago
Chemistry,
4 months ago
English,
10 months ago
History,
10 months ago