Question

I add 7 to a certain number.i double the result.my final results is 34. What was my number?

Answer 1

your number is 10

Explanation:

this equation repressents the problm;

2(7+x) = 34

distribute

14 + 2x = 34

subtract 14 both sids

2x = 20

divide by 2

x = 10

your number is 10

confirm

2(7 + 10 ) = 34

2(17) = 34

Answer 2

Explanation:

(x plus 7) times 2 is 34

34 divide by 2 is 17

17 minus 7 is 10

answer is 10

you reverse everything so times is divide and plus is minus.

You have to do it in order though.