6) 6(2х – 1) = 10х 7) 4(х + 1) = 20 8) 8х + 4 = 5х + 13

Question

6) 6(2х – 1) = 10х 7) 4(х + 1) = 20 8) 8х + 4 = 5х + 13

Answer 1

Ответ: 3, 4, 3

Пошаговое объяснение:

6) 12x-6 = 10x

12x-10x = 6

2x = 6

x = 3

7) 4x+4 = 20

4x = 20-4

4x = 16

x = 4

8) 8x+4-5x = 13

3x = 13-4

3x = 9

x = 3