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Lena [83]
3 years ago
15

If 7-y=6 then y =what

Mathematics
2 answers:
ch4aika [34]3 years ago
8 0
Y = 1

7 - y = 6
-y = -1
y = 1

7 - 1 = 6
zzz [600]3 years ago
5 0

Answer:

-29

Step-by-step explanation:

The Correct Answer:

A.  -29

Square both sides of the equation.

7−y−−−−√

 

=

 

6

 

 

(7−y−−−−√)2

 

=

 

(6)2

 

 

7−y

 

=

 

36

 

 

−7

 

−7

 

Subtract 7 from both sides

−y

 

=

 

29

 

 

y

 

=

 

−29

 

 

7−(−29)−−−−−−−−√

 

=?

 

6

 

Check your answer

7+29−−−−−√

 

=?

 

6

 

 

36−−√

 

=?

 

6

 

 

6

 

=

 

6

 

So  m=−29  is a solution.

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