Question

решить уравнение (30*x-100)*5=200

Answer 1

х=((200÷5)+100)÷30=14÷3

Answer 2

(30*x-100)*5=200
150x - 500 = 200
150x = 200+ 500
150x = 700
x = 700 : 150
x= 700/150 (дробью)
x = 70/15 (дробь)