SOLUTION: I add 7 to a certain number. I double the result my final answer is 34 what was my number

SOLUTION: I add 7 to a certain number. I double the result my final answer is 34 what was my number

Algebra.Com

Question 1096283: I add 7 to a certain number. I double the result my final answer is 34 what was my number
Answer by josmiceli(19441) (Show Source): You can put this solution on YOUR website!
Let = the unknown number
Add

Double the result

This equals

---------------------------
Divide both sides by

Subtract from both sides

The number is 10

RELATED QUESTIONS
i add 7 to a certain number .i double the result my final answer is 34 what was my... (answered by fave,MathTherapy)

I add 7 to a certain number i double the result. my final answer is 34 what was my number (answered by rothauserc)

I add 7 to a certain number, I double the result, my final answer is 34. What was the... (answered by Alan3354)

I add 7 to a number .i double the result. My Fi nal answer is 34 wat was m... (answered by josgarithmetic)

I add 9 to a certain number and divide the sum by 16. If my final answer is 1 what is the (answered by srinivas.g)

I add 12 to a certain number and then double the result. The answer is 42. Find the... (answered by ikleyn,josgarithmetic)

I add nine to a certain number and then divide the sum by sixteen.find the number if my... (answered by rfer)

i think of a number i add 3 to it then treble the total my final answer is 36 what is my... (answered by macston)

I think of a number. I double it. I divide the result by 5. My answer is 6. What number... (answered by Fombitz)