N=3.
5n - 4 = 10n + 6-5n = 10n = -2
5n+4=0 5n=-4 n= -4/5
5n+15 = 25 5n = 25-15 5n = 10 n = 2
-5n - (-2) = 27 -5n + 2 = 27 -5n + 2 - 2 = 27 - 2 -5n = 25 -5n/-5 = 25/-5 n = -5
5n+4 = -26 5n = -26-4 5n = -30 n = -6
30
N=3.
what does the expresstion 5n represent
35-5n = 30
5n-25 = 10 5n = 10+25 5n = 35 n = 7
5n - 4 = 10n + 6-5n = 10n = -2
5n+4=0 5n=-4 n= -4/5
5n+15 = 25 5n = 25-15 5n = 10 n = 2
-5n - (-2) = 27 -5n + 2 = 27 -5n + 2 - 2 = 27 - 2 -5n = 25 -5n/-5 = 25/-5 n = -5
48
5n+6=(-4) n= (-2)