5n + 1 = 10 + 2n
5n - 2n + 1 - 1 = 10 - 1 + 2n - 2n
3n = 9
3n/3 = 9/3
n = 3
Chat with our AI personalities
5n + 15 = 25 you subtract 15 from both sides then you get 10 then divided 5n by 10 you get 2n
9 - 5n
-3n+5n+4 = -4 2n = -4-4 2n = -8 n = -4
n=1 2/3
3n + 2n = 25 5n = 25 n = 5
5n + 15 = 25 you subtract 15 from both sides then you get 10 then divided 5n by 10 you get 2n
9 - 5n
6+5n=2n-9Isolate the variable by subtracting 2n and 6 from both sides.5n-2n=-9-63n=-15n=-5
3n + 2n = 7 + 4n 5n = 7 + 4n 5n - 4n = 7 n = 7
-3n+5n+4 = -4 2n = -4-4 2n = -8 n = -4
n=1 2/3
3n + 2n = 25 5n = 25 n = 5
Oh, dude, that's like adding 2 apples to 3 apples, you know? So, if you have 2n and then add 3n, you end up with 5n. It's like math, but with letters instead of numbers.
It is: 2n^2 -5n -42 equals (2n+7)(n-6) when factored
Subract 5n from both sides and you get 9=-3n, then divide bother sides by -3 and you get n= -3
That factors to (2n + 1)(n + 2)
3n+18 !