1) (20 - a) / 0.6 = 9.120 - a = 9.18 * 0.20 - a = 5.50-a = 5.508 - 2-a = -14.49a = 14.492
2) (0.25 + 3x) * 100 = 2950.25 + 3x = 2950 / 100.25 + 3x = 29.3x = 29.5 - 0.23x = 29.2x = 29.25 / x = 9.75
1) (20 - a) / 0.6 = 9.1
20 - a = 9.18 * 0.
20 - a = 5.50
-a = 5.508 - 2
-a = -14.49
a = 14.492
2) (0.25 + 3x) * 100 = 295
0.25 + 3x = 2950 / 10
0.25 + 3x = 29.
3x = 29.5 - 0.2
3x = 29.2
x = 29.25 /
x = 9.75