24x = 72x = 72 / 24x = 3
5y - 45 = 05y = 45y = 45 / 5y = 9
0.6a + 1.3 = 1.7 + 0.3a0.6a - 0.3a = 1.7 - 1.30.3a = 0.4a = 0.4 / 0.3a = 1.3333 (округляем до 1.3)
8 - 7x = 5x + 28 - 2 = 5x + 7x6 = 12xx = 6 / 12x = 0.5
24x = 72
x = 72 / 24
x = 3
5y - 45 = 0
5y = 45
y = 45 / 5
y = 9
0.6a + 1.3 = 1.7 + 0.3a
0.6a - 0.3a = 1.7 - 1.3
0.3a = 0.4
a = 0.4 / 0.3
a = 1.3333 (округляем до 1.3)
8 - 7x = 5x + 2
8 - 2 = 5x + 7x
6 = 12x
x = 6 / 12
x = 0.5