Question

Помогите решить подробно!!
5*((5*(x-5)+15):2)=50

Answer 1

5*((5*(х-5)+15):2)=50
(5*(x-5)+15):2=50:5
(5*(x-5)+15):2=10
5*(x-5)+15=10*2
5*(x-5)+15=20
5*(x-5)=20-15
5*(x-5)=5
x-5=5:5
x-5=1
x=1+5
x=6

Answer 2

Спасяба