3n - 2 = -10 3n = -10+2 = -8 n = -8/3 or -22/3
-3n + 4 = 2Subtract 4 from each side ==> -3n = -2Divide each side by -3 ==> n = 2/3
3n+1=7 3*2+1=7
1 x 18 = 2 x 9 = 3 x 6 = 18
10n+2
3n+6=18 n+2=6 n=4
3n - 2 = -10 3n = -10+2 = -8 n = -8/3 or -22/3
perimeter equals 2 times width plus 2 times length so, perimeter equals 2(3n+2)+2(n-1) = 6n+6+2n-2 = 8n+4.
Oh, dude, like, 3n times n is just 3n^2. It's like, you take 3 times n, and then multiply that by n again. So, it's basically n squared, but with a 3 in front. Easy peasy, lemon squeezy.
4n-8=3n+2 4n=3n+2+8 4n=3n+10 4n-3n+10 n=10 N = 10
That question has no answer since n must equal 3 and if you substitute n in 3n-2, you will see that it does not equal 3, it equals 7.
7n - 2 + 3n + 4 = 7n + 3n - 2 + 4 = 10n + 2 which can be simplified to 2(5n +1)
18 - 3n + 2 = n + 20 - 4n gather terms together on both sides of equation - 3n + 20 = - 3n + 20 0 = 0 =============no true solution here Actually, it's an infinite number, not "no solution" because it can also be done to end with n=n. I realize you didn't strictly say "no solution" but that's what it sounds like, so I'm just clarifying. -3n+20=-3n+20 -3n=-3n n=n
-3n + 4 = 2Subtract 4 from each side ==> -3n = -2Divide each side by -3 ==> n = 2/3
5-2=3n=3
3n+1=7 3*2+1=7
4n