SOLUTION: Write an equation for the following using n as the variable. Then solve for n. Three-fourths of a number equals 3 times the number increased by 9. Hope you can help. Thanks.

Algebra ->  Expressions -> SOLUTION: Write an equation for the following using n as the variable. Then solve for n. Three-fourths of a number equals 3 times the number increased by 9. Hope you can help. Thanks.       Log On


   

Question 51406: Write an equation for the following using n as the variable. Then solve for n.
Three-fourths of a number equals 3 times the number increased by 9.
Hope you can help. Thanks.
Jill
Answer by music974(43) About Me  (Show Source):
You can put this solution on YOUR website!
Ok well 3/4 n means n belongs to 3/4 so 3/4 n= 3*n+9. Then we would times each side by 4/3 to get n=12/3 n+ 36/3 then we simplify to get n=4n+12. We then subtract each side by 4n to get -3n=12. Then divide each side by -3 and you get n=-4. Hope this helps!!