Question

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?

Answer 1

Answer:

4

Step-by-step explanation:

4x+5+3x-2=31

7x+3=31

7x=28

x=4

Answer 2

Answer:

x = 4

Step-by-step explanation:

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