-(2x+1)=41
– 2x – 1 = 41
– 2x = 41 + 1
-2x = 42
x = -21
5(12-x)=27
60 – 5x = 27
– 5x = 27 – 60
-5x = -33
x = 6.6
1.2(2x-1)=3.6
2.4x – 1.2 = 3.6
2,4x = 3,6 + 1,2
2.4x = 4.8
x = 2
-(2x+1)=41
– 2x – 1 = 41
– 2x = 41 + 1
-2x = 42
x = -21
5(12-x)=27
60 – 5x = 27
– 5x = 27 – 60
-5x = -33
x = 6.6
1.2(2x-1)=3.6
2.4x – 1.2 = 3.6
2,4x = 3,6 + 1,2
2.4x = 4.8
x = 2