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NEED ASAP!!! A student solved the equation 7x - 5 - 5x = 15 and found x = 5. What is the student's error?

NEED ASAP!!! A student solved the equation 7x - 5 - 5x = 15 and found x = 5. What is the student's error?
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11 votes
NEED ASAP!!! A student solved the equation 7x - 5 - 5x = 15 and found x = 5. What is the student's error?

User Adhi
by
7.8k points

1 Answer

13 votes

Answer:

7x-5-5x=15

7x-5x =15+5

2x=20

X=20/2

X=10

Answer = 10

User Sanja Paskova
by
7.9k points
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