add/subtract radicals
-7+a=6
a=13
147
7/3
11s=22
s=2
10+x3 -x
x3-x1+10
128
8/2
1=-1+n
2=n
160
4/10
-7a=-14
a=2
x2+4x3-1
4x3+x2-1
36
6
2=n-6
8=n
18
3/2
-30=56
-6=b
x-3+5x2
5x2+x1-3
50
5/2
10=w-3
13=w
8
2/2
4=-2T
-2=T
-x3+10-10x
-x3-10x1+10
147
7/3
4+c=9
c=5
25
5
36=9T
4=T
-x3-10+x
-x3+x1-10
8
2/2