4(1-0.5a)=-2(3+2a)
4 – 2a = – 6 – 4a
– 2a + 4a = – 6 – 4
2a = -10
a = -5
5(x+1.2)=12.5x
5x + 6 = 12.5x
5x – 12,5x = – 6
-7.5x = -6
x = 0.8
4(1-0.5a)=-2(3+2a)
4 – 2a = – 6 – 4a
– 2a + 4a = – 6 – 4
2a = -10
a = -5
5(x+1.2)=12.5x
5x + 6 = 12.5x
5x – 12,5x = – 6
-7.5x = -6
x = 0.8