Asked by Faithful
Three times a certain number plus 6 is equal to twice the number plus 15. What is the number?
Answers
Answered by
Faithful
3*y =3y
3y+6=21
3y=21-6=10
3y=10
3y+6=21
3y=21-6=10
3y=10
Answered by
Bosnian
x = number
Three times a certain number plus 6 is equal to twice the number plus 15, means:
3 x + 6 = 2 x + 15
Subtract 2x to both sides.
x + 6 = 15
Subtract 6 to both sides.
x = 9
The number is 9.
____________________
Proof:
3 x + 6 = 2 x + 15
3 • 9 + 6 = 2 • 9 + 15
27 + 6 = 18 + 15
33 = 33
____________________
Three times a certain number plus 6 is equal to twice the number plus 15, means:
3 x + 6 = 2 x + 15
Subtract 2x to both sides.
x + 6 = 15
Subtract 6 to both sides.
x = 9
The number is 9.
____________________
Proof:
3 x + 6 = 2 x + 15
3 • 9 + 6 = 2 • 9 + 15
27 + 6 = 18 + 15
33 = 33
____________________
There are no AI answers yet. The ability to request AI answers is coming soon!
Submit Your Answer
We prioritize human answers over AI answers.
If you are human, and you can answer this question, please submit your answer.