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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asked May 27, 2022 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?

Mathematics
high-school

Nick Gunn asked

by Nick Gunn

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2 Answers

5 votes

Answer:

x = 4

Explanation:

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

Gus Crawford answered May 28, 2022

by Gus Crawford

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4 votes

Answer:

Explanation:

4x+5+3x-2=31

7x+3=31

7x=28

x=4

BenjaminB answered Jun 3, 2022

by BenjaminB

3.6k points

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