2 + 3n = 5n - 9
2n = 11
n = 11/2 or 5 1/2
Answer: n = 11/2 or 5 1/2 or 5.5
Proof:
2 + 3(5.5) = 5(5.5) - 9
2 + 16.5 = 27.5 - 9
18.5 = 18.5
2 + 3n = 5n â 9
add 9 to both sides, subtract 3n from both sides
2 + 9 + 3n - 3n = 5n - 3n - 9 + 9
simplify
11 = 2n
divide both sides by 2
11/2 = n = 5 1/2
2 + 3n = 5n â9
2+9 =5n-3n
11 =2n
2n =11
n =11/2
2 + 9 = 5n - 3n
n = 11/2 or 5.5
n = 11 / 2
n = 5.5
2+ 3n = 5n - 9
+9
11 + 3n = 5n
-3n
/2 /2
5.5 = n
plug in to check
2+3n-3n=5n-3n-9
2=2n-9
2+9=2n
11=2n
Divide both by 11 (:
n=5.5
2+3n =5n-9
2+9=5n-3n
n=11/2
n= 5.5
Add nine.
Subtract 3n.
Divide 11 by 2.
subtract 3n from both sides 2=2n-9
add 9 to both sides 11=2n
divide by 2 5.5=n
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Answers & Comments
Verified answer
2 + 3n = 5n - 9
2n = 11
n = 11/2 or 5 1/2
Answer: n = 11/2 or 5 1/2 or 5.5
Proof:
2 + 3(5.5) = 5(5.5) - 9
2 + 16.5 = 27.5 - 9
18.5 = 18.5
2 + 3n = 5n â 9
add 9 to both sides, subtract 3n from both sides
2 + 9 + 3n - 3n = 5n - 3n - 9 + 9
simplify
11 = 2n
divide both sides by 2
11/2 = n = 5 1/2
2 + 3n = 5n â9
2+9 =5n-3n
11 =2n
2n =11
n =11/2
2 + 3n = 5n - 9
2 + 9 = 5n - 3n
11 = 2n
2n = 11
n = 11/2 or 5.5
2 + 3n = 5n - 9
2 + 9 = 5n - 3n
11 = 2n
n = 11 / 2
n = 5.5
2+ 3n = 5n - 9
+9
11 + 3n = 5n
-3n
11 = 2n
/2 /2
5.5 = n
plug in to check
2+3n-3n=5n-3n-9
2=2n-9
2+9=2n
11=2n
Divide both by 11 (:
n=5.5
2+3n =5n-9
2+9=5n-3n
11=2n
n=11/2
n= 5.5
Add nine.
11 + 3n = 5n
Subtract 3n.
11 = 2n
Divide 11 by 2.
n = 5.5
subtract 3n from both sides 2=2n-9
add 9 to both sides 11=2n
divide by 2 5.5=n