4 over 5n
(4n - 1)(3n + 2)
9-5n+1 = 15 -5n = 15-9-1 -5n = 5 Divide both sides of the equation by -5 to find the value of n: n = -5
1 - 7n = 15 - 5n Add 5n to each side: 1 - 7n + 5n = 15 -5n + 5n ie 1 - 2n = 15; subtract 1 from each side: -2n = 14 divide both sides by -2: n = -7
2 minus 2/5 plus 1/2 minus 4 = -1.9
(2n+3)(n+1)=2n2+5n+3.
Tenth term of 5n + 1 = 5*10 + 1 = 51
9 - 5n + 1 = 15 -5n = 15 - 10 n = -5/5 n = -1
5n + 1 = 10 + 2n5n - 2n + 1 - 1 = 10 - 1 + 2n - 2n3n = 93n/3 = 9/3n = 3
11/12
(3n+2)(n+1)
It is 1 + 5N.
-1