2) x = 2/3
3) x = 5/8
Объяснение:
2) (16x - 5) - (3 - 5x) = 6
16x - 5 - 3 + 5x = 6
21x = 6 + 8
21x = 14
x = 14/21
x = 2/3
3) 26 - 4x = 3x - 7 (x - 3)
26 - 4x = 3x - 7x + 21
-4x - 4x = 21 - 26
-8x = - 5
x = 5/8
2) x = 2/3
3) x = 5/8
Объяснение:
2) (16x - 5) - (3 - 5x) = 6
16x - 5 - 3 + 5x = 6
21x = 6 + 8
21x = 14
x = 14/21
x = 2/3
3) 26 - 4x = 3x - 7 (x - 3)
26 - 4x = 3x - 7x + 21
-4x - 4x = 21 - 26
-8x = - 5
x = 5/8