15ab+5a-10b divided by 5ab
9.478 : 21
15ab5 x 5a3b divide by 3a2b4
solve the following equation. 5=1/3(9m-3)
xy -x – y = 1000
(-2)+(+6)
solve the following equation. -1/2(-8-4z)=20
x+y=4
2x+y=5
49/885
LCM OF 21/40, 12/25,18/35,9/19
