А) 9(3-x)+4=x-6
27 – 9x + 4 = 1x – 6
– 9x – x = – 6 – 4 – 27
-10x = -37
x = 3.7
б) -(x-3)+1,2=3x-2
– x + 3 + 1.2 = 3x – 2
– x – 3x = – 2 – 1,2 – 3
-4x = -6.2
x = 1.55
в) 0,8x-(2-x)=6+x
0.8x – 2 + x = 6 + x
0,8x + x – x = 6 + 2
0.8x = 8
x = 10
г) 10,5+(x+6)=-2x
10.5 + x + 6 = – 2x
x + 2x = – 6 – 10,5
3x = -16.5
x = -5.5
А) 9(3-x)+4=x-6
27 – 9x + 4 = 1x – 6
– 9x – x = – 6 – 4 – 27
-10x = -37
x = 3.7
б) -(x-3)+1,2=3x-2
– x + 3 + 1.2 = 3x – 2
– x – 3x = – 2 – 1,2 – 3
-4x = -6.2
x = 1.55
в) 0,8x-(2-x)=6+x
0.8x – 2 + x = 6 + x
0,8x + x – x = 6 + 2
0.8x = 8
x = 10
г) 10,5+(x+6)=-2x
10.5 + x + 6 = – 2x
x + 2x = – 6 – 10,5
3x = -16.5
x = -5.5