SOLUTION: 2n+6=7n-9
Algebra
->
Inverses
-> SOLUTION: 2n+6=7n-9
Log On
Algebra: Inverse operations for addition and multiplication, reciprocals
Section
Solvers
Solvers
Lessons
Lessons
Answers archive
Answers
Click here to see ALL problems on Inverses
Question 256606
:
2n+6=7n-9
Found 3 solutions by
checkley77, palanisamy, Nieleya
:
Answer by
checkley77(12844)
(
Show Source
):
You can
put this solution on YOUR website!
2n+6=7n-9
2n-7n--9-6
-5n=-15
n=-15/-5
n=3 ans.
Proof:
2*3+6=7*3-9
6+6=21-9
12=12
Answer by
palanisamy(496)
(
Show Source
):
You can
put this solution on YOUR website!
Given,
2n+6 = 7n-9
2n-7n = -9-6
-5n = -15
n = (-15/-5)
n = 3
Answer by
Nieleya(22)
(
Show Source
):
You can
put this solution on YOUR website!
2n+6=7n-9
6 = 7n - 9 - 2n
6 = 5n - 9
6 + 9 = 5n
15 = 5n
n = 15/5
n = 3