If you double a number and then add 28,you get 4/9 of the original number. What is the original Number?
+130511 See my answer....here.......http://web2.0calc.com/questions/please-help_54167
+118723 If you double a number and then add 28,you get 4/9 of the original number. What is the original Number?
You should try to give people the opportunity to correct or defend their answer if you think it is wrong. :/
Anyway.
\(2x+28=\frac{4x}{9}\\\\ 9(2x+28)=4x\\\\ 18x+252=4x\\\\ 14x=-252\\\\ x=-252/14\\\\ x=-18\)
