Решите примеры 2,2(3x-4)-3,3(5+2x) (5x+2)*(7-14)=0 2x-24=0 (3-0,5)=23

Question

Решите примеры 2,2(3x-4)-3,3(5+2x) (5x+2)*(7-14)=0 2x-24=0 (3-0,5)=23

Answer 1

2,2(3x-4) - 3,3(5+2x)=6.6x - 8.8 - 16.5 - 6.6x= - 25.3

(5x+2)(7-14)=0
(5x+2)*(-7)=0
5x+2=0
5x= -2
x= -0.4

2x -24=0
2x=24
x=12

3-0.5x=23
0.5x= -20
x= -40