Question

помогите10(3а-2)-(45а+18):3+(11-а)·5=25

Answer 1

$10(3a-2)-(45a+18):3+(11-a)*5=25 30a-20-(45a+18)/3+55-5a=25 | *3 90a-60-45a+18+165-15a=75 30a= -48 | :30 a= - 1,6$