Question

(10y+2•(7y-2)):5=(5•(4y+3)+3y):5

Answer 1

(10y+2•(7y-2)):5=(5•(4y+3)+3y):5
(10y+14y-4)/5=(20y+15+3y)/5
(24y-4)/5=(23y+15)/5|*5
24y-4=23y+15
24y-23y=15+4
y=19