Answers

2014-06-19T17:37:01+05:30
2x+1=0

2x=1

x=1/2

hence the answer is 1/2
1 5 1
no once the number goes to another side the sign changes
sorry , i was busy reading my book
its ok
2014-06-19T17:41:59+05:30
2 x + 1 = 0
2 x = 1
x = -1 / 2
1 5 1