Question

помогите решить уравнение 5y+3(7y+18)=106

Answer 1

$5y+3(7y+18)=106; \ 5y+21y+54=106; \ 26y=52; \ y=2.$

Answer 2

5y+3(7y+18)=106
5y+21y+54=106
26y=106-54
26y=52
y=52/26
y=2