Question

-30=15+(n-1)×(-5) find n​

Answer 1

Answer:

-30 =15 +(n -1)-5

-30=15+(-5 n +5)

-30-15=-5 n +5

-45= -5 n +5

-50=-5 n

n= 10

Value of n= 10

;-)

Answer 2

Answer:

10

Step-by-step explanation:

15+(n-1)×(-5)=-30

15+(-5n-1(-5)=-30

15+(-5n+5)=-30

15+5-5n=-30

20-5n=-30

-5n=-30-20

-5n=-50

n=-50/-5

n=10