Question

480:(150-Х)+19=25. 7км4дм= дм

Answer 1

480÷(150-x)+19=25
480÷(150-x)=25-19
480÷(150-x)=6
150-x=480÷6
150-x=80
x=150-80
x=70
________
480÷(150-70)+19=25
480÷80+19=25
6+19=25
25=25