R + 9
Expression would be r+9=j
J represents the miles that Jessica rode. Since Jessica rode 9 miles farther, you must add 9 to the amount that roger rode.
Beats me man not enough information
If you look up the definition of a medium, it is a tool. In the case of television, it is a tool for spreading information. Much like the internet.
no solution is the answer
Given
An algebraic expression is the difference between seven times a number and three times that number.
To find:
The algebraic expression.
Solution:
Let x be the unknown number.
Multiplication is used for times and subtraction is used for difference.
7 times of a number = 7x
3 times of that number = 3x
The difference between seven times a number and three times that number is


Therefore, the algebraic expression for the given statement is 7x-3x and its simplified form is 4x.