9x=-72
Resolver 5(x + 2) minus7 (x minus2) = 8
4x-10=30
simplify
5/8 + 3/4 - 7/16
x-5=-8
(m^(2)+2)^(2)
2x+7=19
if there are 1500 pupils and 2/5 walk toshool and 20% cycles how many puplis do nethier?
x+30=5
