2007-01-03 08:25:52 · 22 answers · asked by Anonymous in Science & Mathematics ➔ Mathematics
2.5
2007-01-03 08:27:55 · answer #1 · answered by Anonymous · 0⤊ 0⤋
Simplifying
4n = 2n + 5
Reorder the terms:
4n = 5 + 2n
Solving
4n = 5 + 2n
Solving for variable 'n'.
Move all terms containing n to the left, all other terms to the right.
Add '-2n' to each side of the equation.
4n + -2n = 5 + 2n + -2n
Combine like terms: 4n + -2n = 2n
2n = 5 + 2n + -2n
Combine like terms: 2n + -2n = 0
2n = 5 + 0
2n = 5
Divide each side by '2'.
n = 2.5
Simplifying
n = 2.5
2007-01-07 13:52:16 · answer #2 · answered by SHIBZ 2 · 0⤊ 0⤋
Get the n's on one side and the numbers on the other.
4n = 2n + 5
4n - 2n = 5
2n = 5
n = 5 / 2
n = 2.5
2007-01-03 16:52:15 · answer #3 · answered by Anonymous · 0⤊ 0⤋
N equals 5/2. You subtract 2n from both sides and you get 2n=5. Then you divide 2 from both sides. The answer is n=5/2
2007-01-03 16:30:35 · answer #4 · answered by xx love$$sin xx 3 · 0⤊ 0⤋
4n = 2n + 5
4n - 2n = 5
2n = 5
n = 5/2
Check:
4(5/2) = 10
2(5/2) = 5
10 = 5 + 5
2007-01-03 16:29:11 · answer #5 · answered by Anonymous · 0⤊ 0⤋
4n=2n+5
2n=5
n=5/2, or 2.5
2007-01-03 18:43:50 · answer #6 · answered by Kilroy 4 · 0⤊ 0⤋
2 1/2
2007-01-03 16:28:39 · answer #7 · answered by Taj 2 · 0⤊ 0⤋
4N = 2n + 5
4n - 2n = 5
2n = 5
n = 5/2 = 2.5
2007-01-07 15:27:36 · answer #8 · answered by lenpol7 7 · 0⤊ 0⤋
4n - 2n = 5
2n = 5
n = 5/2 or 2.5
2007-01-03 16:29:24 · answer #9 · answered by Goyo 6 · 0⤊ 0⤋
2.5:
(4n)-2n=(2n+5)-2n <=>
2n=5 <=>
(2n)/2=(5)/2 <=>
n=5/2=2.5
q.e.d.
2007-01-03 16:54:58 · answer #10 · answered by Maria 4 · 0⤊ 0⤋
4n-2n = 5
2n=5
n=2.5
2007-01-03 16:45:41 · answer #11 · answered by Older&Wiser 5 · 0⤊ 0⤋