10*(3y-2)-5*(4y-11)=25+3*(5y-2)
30y -20 - 20 y +55 = 25+ 15y - 6
30y -15y - 20 y = 25 - 6 + 20 -55
-5y = -16
y = -16 : (-5)
y = -
10*(3y-2)-5*(4y-11)=25+3*(5y-2)
30y -20 - 20 y +55 = 25+ 15y - 6
30y -15y - 20 y = 25 - 6 + 20 -55
-5y = -16
y = -16 : (-5)
y = -