SOLUTION: Define a variable, write an equation, and solve. One fifth of a number plus five times that number us equal to seven times the number less 18. Find the number.

Algebra ->  Equations -> SOLUTION: Define a variable, write an equation, and solve. One fifth of a number plus five times that number us equal to seven times the number less 18. Find the number.      Log On


   



Question 13674: Define a variable, write an equation, and solve.
One fifth of a number plus five times that number us equal to seven times the number less 18. Find the number.

Answer by LilSkittleMd(119) About Me  (Show Source):
You can put this solution on YOUR website!
Setup your equations
1/5x+5x=7x-18
Combine like terms
26/5x=7x-18
Subtract 7x from both sides
-9/5x=-18
Divide both sides by -9/5
x=10