Answers

2014-09-22T21:14:30+05:30
let the no be x
x-20=3(2x+20)
⇒x-20=6x+60
⇒-5x=80
⇒x=-16
0
2014-09-22T22:01:43+05:30
Let no. be x
x-20=3(2x+20)
⇒x-20=6x+60
x-6x=60+20
⇒-5x=80
x=80/-5
⇒x=-16
0