Answers

2016-06-26T12:56:48+08:00
Magiging:
3x+21=24
3x=24-21
3x=3
then divide mo yang dalawa sa 3

parang ganito:
3x/3=3/3
x=1
1 5 1
2016-06-26T12:58:19+08:00
3(x+7)=24
3x+21=24
3x+21-24=0
3x+3=0
1 5 1