1) (4,5х+3,6)•(-19,6)=0
раскроем скобки
-88.2x-70.56 = 0
88.2x+70.56 = 0
88.2x = -70.56
x = -0.8
2) (1,2х+16,8)•(-13,1)=0
-15.72x-220.08 = 0
15.72x+220.08 = 0
15.72x = -220.08
x = -14
3) -32,7•(0,1х+6,3)=0
– 3.27x – 206.01 = 0
– 3,27x = 0 + 206,01
-3.27x = 206.01
x = -63
(4,5х+3,6)*(-16,6)=0;
4,5x+3,6=0
4,5x=-3,6
x=-3,6:4,5
x=-0,8
=========
2)
(1,2х+16,8)*(-13,1)=0
1,2x+16,8=0
1,2x=-16,8
x=-16,8:1,2
x=-14
========
3)
-32,7*(0,1х+6,3)=0
0,1x+6,3=0
0,1x=-6,3
x=-6,3:0,1
x=-63
======
4)
-15 целых 1/13*(1,9х+5,7)=0
1,9x+5,7=0
1,9x=-5,7
x=-5,7:1,9
x=-3
1) (4,5х+3,6)•(-19,6)=0
раскроем скобки
-88.2x-70.56 = 0
-88.2x-70.56 = 0
88.2x+70.56 = 0
88.2x = -70.56
x = -0.8
2) (1,2х+16,8)•(-13,1)=0
раскроем скобки
-15.72x-220.08 = 0
-15.72x-220.08 = 0
15.72x+220.08 = 0
15.72x = -220.08
x = -14
3) -32,7•(0,1х+6,3)=0
– 3.27x – 206.01 = 0
– 3,27x = 0 + 206,01
-3.27x = 206.01
x = -63
(4,5х+3,6)*(-16,6)=0;
4,5x+3,6=0
4,5x=-3,6
x=-3,6:4,5
x=-0,8
=========
2)
(1,2х+16,8)*(-13,1)=0
1,2x+16,8=0
1,2x=-16,8
x=-16,8:1,2
x=-14
========
3)
-32,7*(0,1х+6,3)=0
0,1x+6,3=0
0,1x=-6,3
x=-6,3:0,1
x=-63
======
4)
-15 целых 1/13*(1,9х+5,7)=0
1,9x+5,7=0
1,9x=-5,7
x=-5,7:1,9
x=-3