# Math

posted by .

Peter solved this equation
6 x y = 490 - 4
6 x y = 486
y = 492
Explain his mistake.

• Math -

He removed the 6 from the 6 times y side and added 6 to the 486 on the other side. He should have divided both sides by 6.

## Similar Questions

1. ### English

I urgently need help with a couple of sentences. Can you also check my previous post. I need to prepare the letter for tomorrow. Thank you. 1) The lady at the bottom left of the photo (is "in" the bottom a mistake when describing a …
2. ### English

I urgently need help with a couple of sentences. Can you also check my previous post. I need to prepare the letter for tomorrow. Thank you. 1) The lady at the bottom left of the photo (is "in" the bottom a mistake when describing a …
3. ### Math

Erick solved the problem (9 x 5 ) + 4= 7y (45) + 4= 7y 49 = 7y 42 = y Explain his mistake.
4. ### math

Give an example of a logarithmic equation that cannot be solved and explain why it cannot be solved. (3 marks)
5. ### math

Give an example of a logarithmic equation that cannot be solved and explain why it cannot be solved.
6. ### math

use the number 751,486. write the name of the period that has the digits 486