Question

7n+5=19(n=-2) apakah benar?

Answer 1

Answer:

Step-by-step explanation:

 7n + 5 = 19( n - 2 )

7n + 5 = 19n - 38

5 + 38 = 19n - 7n

     43  = 12n

    n = 43/12

Answer 2

Answer:

2

Step-by-step explanation:

7n+5=19

7n=19-5=14

7n=14

n=2

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