2,2х=1,5-0,18
2,2х=1,32
х=1,32:2,2
х=0,6
<span>1) 3(х-2)-5х=4
3x-6-5x = 4
2x = -10
x = -5
2) </span><span>6х-4(х+1)=8
6x -4x - 4 = 8
2x = 12
x = 6
3) </span><span>2х+(х-6)=3
2x + x - 6 = 3
3x = 9
x = 3</span>
5^14:6^27:5^12*6^28=5^2:6^55= 25:6^55
^2 - степень