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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?
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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
8.3k 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
8.9k points
4 votes

Answer:

4

Explanation:

4x+5+3x-2=31

7x+3=31

7x=28

x=4

User BenjaminB
by
8.1k points
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