20 less than 3 times a number is 7. Find the number.
Answers
Answered by
1
Step-by-step explanation:
let the no. be x
A/q
=> 3a - 20 = 7
=> 3a = 7 + 20
=> 3a = 27
=> a = 27 ÷ 3
=> a = 9
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Answered by
0
Answer:
Step-by-step explanation:
3x - 20 = 7
x = (7+20) / 3
x = 9
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