68.8k views
4 votes
If √7-y=6, then y=
-29
-5
1
29
I don't know

User Matanlurey
by
3.8k points

2 Answers

0 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 Karan Kumar
by
3.6k points
2 votes

Hello!

√7 - y = 6 <=>

<=> -y = 6 - √7 <=>

<=> y = -6 + 7 => √7 - (-6 + √7) = 6

Good luck! :)

User Daniel Kulp
by
3.1k points