Question

a) 3,6x + 1,6-2,8x - 2,4;
b) -2 y 16x;
c) 5 (1,8x + 1,2)-12.

Answer 1

A) 3,6x + 1,6-2,8x - 2,4;

x = -1

x = 1

B) -2 y 16x;

x = 0

x = 0

C) 5 (1,8x + 1,2)-12;

x = 0,67

x = 0,67