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Oduvanchick [21]
2 years ago
15

How many solutions does this equation have? -3n = -4n + 7

Mathematics
2 answers:
ahrayia [7]2 years ago
7 0

Answer:

2

Step-by-step explanation:

my soulstinos were Solution 1)

3

n

+

7

=

−

1

3

n

+

7

−

7

=

−

1

−

7

3

n

+

0

=

−

8

3

n

=

−

8

3

n

3

=

−

8

3

3

n

3

=

−

8

3

n

=

−

8

3

Solution 2)

3

n

+

7

=

1

3

n

+

7

−

7

=

1

−

7

3

n

+

0

=

−

6

3

n

=

−

6

3

n

3

=

−

6

3

3

n

3

=

−

2

n

=

−

2

The solution is:

n

=

−

8

3

and

n

=

−

2

Katarina [22]2 years ago
5 0

Answer:

just one: 7 you isolate the numbers by doing -3n + 4n = 7, and u get n = 7

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