176,517 views
29 votes
29 votes
If √7-y=6, then y=
-29
-5
1
29
I don't know

User Spektre
by
3.0k points

2 Answers

22 votes
22 votes

Answer:

-29

Explanation:

When you substitute 1 for y in the original equation, you get:

7−(1)−−−−−−√

=?

6

6–√

6 So 1 is not a solution.

User Haomin
by
3.3k points
17 votes
17 votes

Hello!

√7 - y = 6 <=>

<=> -y = 6 - √7 <=>

<=> y = -6 + 7 => √7 - (-6 + √7) = 6

Good luck! :)

User Eve
by
2.4k points