Пошаговое объяснение:
1)
1,2(3x+5)=2(2,4x -3,6)
3,6x + 6 = 4,8x - 7,2
4,8x - 3,6x = 6 + 7,2
1,2x = 13,2
x = 13,2 : 1,2
x = 11
2)
-2(x-8)=5(x+6)
-2x + 16 = 5x + 30
5x + 2x = 16 - 30
7x = -14
x = -14 : 7
x = -2
1)3.6х+6=4.8х-7.2
3.6х-4.8х=-6-7.2
-1.2х=-13.2
х=11
Пошаговое объяснение:
1)
1,2(3x+5)=2(2,4x -3,6)
3,6x + 6 = 4,8x - 7,2
4,8x - 3,6x = 6 + 7,2
1,2x = 13,2
x = 13,2 : 1,2
x = 11
2)
-2(x-8)=5(x+6)
-2x + 16 = 5x + 30
5x + 2x = 16 - 30
7x = -14
x = -14 : 7
x = -2
1)3.6х+6=4.8х-7.2
3.6х-4.8х=-6-7.2
-1.2х=-13.2
х=11