2007-09-27 15:01:37 · 10 answers · asked by Amber C 1 in Science & Mathematics ➔ Mathematics
Simplifying
5 + -1(n + -4) = 3(n + 2)
Reorder the terms:
5 + -1(-4 + n) = 3(n + 2)
5 + (-4 * -1 + n * -1) = 3(n + 2)
5 + (4 + -1n) = 3(n + 2)
Combine like terms: 5 + 4 = 9
9 + -1n = 3(n + 2)
Reorder the terms:
9 + -1n = 3(2 + n)
9 + -1n = (2 * 3 + n * 3)
9 + -1n = (6 + 3n)
Solving
9 + -1n = 6 + 3n
Solving for variable 'n'.
Move all terms containing n to the left, all other terms to the right.
Add '-3n' to each side of the equation.
9 + -1n + -3n = 6 + 3n + -3n
Combine like terms: -1n + -3n = -4n
9 + -4n = 6 + 3n + -3n
Combine like terms: 3n + -3n = 0
9 + -4n = 6 + 0
9 + -4n = 6
Add '-9' to each side of the equation.
9 + -9 + -4n = 6 + -9
Combine like terms: 9 + -9 = 0
0 + -4n = 6 + -9
-4n = 6 + -9
Combine like terms: 6 + -9 = -3
-4n = -3
Divide each side by '-4'.
n = 0.75
Simplifying
n = 0.75
n= 3/4
2007-09-27 15:06:29 · answer #1 · answered by jb 3 · 0⤊ 0⤋
N=3/4, doesn't it?
2007-09-27 22:12:56 · answer #2 · answered by Greg 1 · 0⤊ 0⤋
n= 3/4
2007-09-27 22:05:47 · answer #3 · answered by blackangelsp 1 · 0⤊ 0⤋
3/4
2007-09-27 22:04:48 · answer #4 · answered by crystal_of_ravenclaw 3 · 0⤊ 0⤋
5 - N + 4 = 3N + 6
3 = 4N
N = 3 / 4
2007-09-29 14:37:31 · answer #5 · answered by Como 7 · 0⤊ 0⤋
5-n+4=3n+6
-n+9=3n+6
3=4n
3/4=n
2007-09-27 22:07:40 · answer #6 · answered by foofy 4 · 1⤊ 0⤋
5-n+4=3n+6
9-n=3n+6
9=4n+6
3=4n
.75=n
2007-09-27 22:11:20 · answer #7 · answered by N!ck 3 · 0⤊ 0⤋
5-n+4=3n+2n
1=5n+n
1=6n
1/6=n
2007-09-27 22:10:28 · answer #8 · answered by anthonygoloub 2 · 0⤊ 0⤋
-5-N+4=3N+6
N+9=3N+6
2N=-3
N=-3/2
2007-09-27 22:05:37 · answer #9 · answered by Anonymous · 0⤊ 2⤋
do you know what n is?
2007-09-27 22:04:08 · answer #10 · answered by k4y14hhh 2 · 0⤊ 1⤋