Answers

2015-07-30T18:43:38+05:30
X+2[52.5]=3  
x=105=3
x=3-105
x=2-102
 
0
2015-07-30T19:06:59+05:30
7x-15y=2
7x-2=15y
y=7x-2%15
x+2y=3
x+2(7x-2%15)=3
x=1.68
0