Register
Ellie ran 4x + 5 miles today and 3x – 2 miles yesterday. If she ran a total of 31 miles, what is the value of x?
94.0k views
5 votes
Ellie ran 4x + 5 miles today and 3x – 2 miles

yesterday. If she ran a total of 31 miles, what
is the value of x?

User Nick Gunn
by
8.6k points

2 Answers

5 votes

Answer:

x = 4

Explanation:


4x + 5 + 3x - 2 = 31 \\ 7x + 3 = 31 \\ 7x = 28 \\ x = 4

User Gus Crawford
by
9.1k points
4 votes

Answer:

4

Explanation:

4x+5+3x-2=31

7x+3=31

7x=28

x=4

User BenjaminB
by
8.4k points
Ask a Question
Welcome to QAmmunity.org, where you can ask questions and receive answers from other members of our community.

9.5m questions

12.2m answers

Other Questions

What is .725 as a fraction
How do you estimate of 4 5/8 X 1/3
A bathtub is being filled with water. After 3 minutes 4/5 of the tub is full. Assuming the rate is constant, how much longer will it take to fill the tub?
i have a field 60m long and 110 wide going to be paved i ordered 660000000cm cubed of cement  how thick must the cement be to cover field
Write words to match the expression. 24- ( 6+3)
Link Copied!