Question #98eef

2 Answers
Jan 7, 2018

The number is #12#.

Explanation:

Let the number be #x#.

"The difference of twice a number and seven is 17."

#:. 2x-7=17#

#2x=24#

#x=12#

So the number is #12#.

Jan 7, 2018

#x=12#

Explanation:

Let's let #x# be our unknown value

We know that "the difference between" #2 xx x# and #7# is #17#. If we write that in "math language" we get #2x-7= 17#

#2x-7=17#

#2x=24#

#x=12#