3 years ago

Ellie ran 4x + 5 miles today and 3x – 2 miles

Mathematics

2 answers:

ryzh [129]3 years ago

6 0

Answer:

x = 4

Step-by-step explanation:

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

kompoz [17]3 years ago

5 0

Answer:

Step-by-step explanation:

4x+5+3x-2=31

7x+3=31

7x=28

x=4

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