y+y-x
5+5-6
10-6
4
(2+y)=6 (is there suppose to be a "z" anywhere?)
(2+6)=6
(hj - h)
(3(6) - 3)
(36 - 3)
33
x+y+y
5+2+2
7+2
9
5.8m questions
7.5m answers