Question

(7-0,2х)*1,4=7,56   Решите уравнение

Answer 1

7*1,4-0,2х*1,4=7,56
9,8-0,28х=7,56
-0,28х=7,56-9,8
-0,28х=-2,24
х=8

Answer 2

9.8 - 0.28x = 7.56
-0.28x = -2.24
x= 2.24 ; 0.28 = 8