SOLUTION: 4/5 ( x + 5/8 ) - 2/3 ( x - 1/4 ) = 10/9. The book claims the solution is x = 7 but I simply dont get that answer. Am I doing it wrong ?

Algebra ->  Linear-equations -> SOLUTION: 4/5 ( x + 5/8 ) - 2/3 ( x - 1/4 ) = 10/9. The book claims the solution is x = 7 but I simply dont get that answer. Am I doing it wrong ?      Log On


   



Question 311334: 4/5 ( x + 5/8 ) - 2/3 ( x - 1/4 ) = 10/9. The book claims the solution is x = 7 but I simply dont get that answer. Am I doing it wrong ?
Answer by JBarnum(2146) About Me  (Show Source):
You can put this solution on YOUR website!
%28%284%2F5%29%28x%2B%285%2F8%29%29%29-%28%282%2F3%29%28x-%281%2F4%29%29%29=10%2F9
%28%284%2F5%29x%2B%281%2F2%29%29-%28%282%2F3%29x-%281%2F6%29%29=10%2F9
%28%284%2F5%29x%2B%281%2F2%29%29%2B%28-%282%2F3%29x%2B%281%2F6%29%29=10%2F9
%284%2F5%29x-%282%2F3%29x%2B%281%2F2%29%2B%281%2F6%29=10%2F9
%2812%2F15%29x-%2810%2F15%29x%2B%283%2F6%29%2B%281%2F6%29=10%2F9
%282%2F15%29x%2B%284%2F6%29=10%2F9
%282%2F15%29x=%2810%2F9%29-%282%2F3%29
%282%2F15%29x=%2810%2F9%29-%286%2F9%29
%282%2F15%29x=%284%2F9%29
2x=15%284%2F9%29
9%282x%29=%2860%29
18x=60
x=60%2F18
x=10%2F3
i dont see how 7 is even possible lets check to see if 7 is even possible
%28%284%2F5%29%28x%2B%285%2F8%29%29%29-%28%282%2F3%29%28x-%281%2F4%29%29%29=10%2F9
%28%284%2F5%29%287%2B%285%2F8%29%29%29-%28%282%2F3%29%287-%281%2F4%29%29%29=10%2F9
%28%284%2F5%29%2856%2F8%2B%285%2F8%29%29%29-%28%282%2F3%29%2828%2F4-%281%2F4%29%29%29=10%2F9
%28%284%2F5%29%2861%2F8%29%29-%28%282%2F3%29%2827%2F4%29%29=10%2F9
%2861%2F10%29-%289%2F2%29=10%2F9
%2861%2F10%29-%2845%2F10%29=10%2F9
16%2F10=10%2F9
8%2F5=10%2F9
WRONG, the book is completely wrong, notify your teacher of this problem so u dont get one wrong.