= - 3,8б + 2б= - 1,8б надеюсь верно)
Синих 15 Б
красных 12 М
всего 60
1) 60-15=45
2)60-12=48
<span>5 * (2x - 3) - 2 * (3
- 2x) = 15 - 6 * (x + 1)<span>
x = 3/2 = 1 1/2 (x = 1.5)
5 *
(2x - 3) - 2 * (3 - 2x) = 15 - 6 * (x + 1)
5 * (2x -
3) - 2 * ( - 2x + 3) = 15 - 6 * (x + 1)
(10x -
15) - 2 * ( - 2x + 3) = 15 - 6 * (x + 1)
(10x -
15) - ( - 4x + 6) = 15 - 6 * (x + 1)
14x - 21
= 15 - 6 * (x + 1)
14x - 21
= 15 - (6x + 6)
14x - 21
= - 6x + 9
20x = 30
x = 30/20 = 3/2 = 1 1/2 (x = 1.5)</span></span>