Answer
$y=-2$
Work Step by Step
$25-[2+5y-3(y+2)]=-3(2y-5)-[5(y-1)-3y+3]$
$25-[2+5y-3y-6]=-6y+15-[5y-5-3y+3]$
$25-[2y-4]=-6y+15-[2y-2]$
$25-2y+4=-6y+15-2y+2$
$-2y+29=-8y+17$
(Bring pronumerals to the left and numbers to the right)
$-2y+8y=17-29$
$6y=-12$
$y=-2$
