а) 0,3(x-2)=0,6+0,2(x+4);
0.3x-0.6=0.6+0.2x+0.8
0.3x-0.2x=0.14+0.6
0.1x=0.2
x=0.2/0.1
x=2
б)(0,6-y)/9=(1,3-y)/4,5
9(0,6-y)/9=9(1,3-y)/4,5
0.6-y=2(1.3-y)
0.6-y=2.6-2y
-y+2y=2.6-0.6
y=2
а) 0,3(x-2)=0,6+0,2(x+4);
0.3x-0.6=0.6+0.2x+0.8
0.3x-0.2x=0.14+0.6
0.1x=0.2
x=0.2/0.1
x=2
б)(0,6-y)/9=(1,3-y)/4,5
9(0,6-y)/9=9(1,3-y)/4,5
0.6-y=2(1.3-y)
0.6-y=2.6-2y
-y+2y=2.6-0.6
y=2