0.6a + 1.3 = 1.7 + 0.3a
0,6a – 0,3a = 1,7 – 1,3
0.3a = 0.4
3a = 3
a = 1
8 – 7x = 5x + 2
– 7x – 5x = 2 – 8
-12x = -6
x = 0.5
0.6a + 1.3 = 1.7 + 0.3a
0,6a – 0,3a = 1,7 – 1,3
0.3a = 0.4
3a = 3
a = 1
8 – 7x = 5x + 2
– 7x – 5x = 2 – 8
-12x = -6
x = 0.5