Question

Решите уравнения: 4,37 + 6,7х = 7,75 + 9,3х

4*(3-х) - 11 = 7*(2х-5)

Answer 1

4,37 + 6,7х = 7,75 + 9,3х
-2.6x=3.38
x=3.38/-2.6
x=-1.3

4*(3-х) - 11 = 7*(2х-5)
12-4x-11=14x-35
-18x=-36
x=2