Question

Даю 20 баллов с решением пж 1)8x-x=20-6x
2)4(x+3)=x+6

Answer 1

8x - x = 20 - 6x

7x = 20 - 6x

13x = 20

x = 20/13

4(x + 3) = x + 6

4x + 12 = x + 6

3x + 12 = 6

3x = -6

x = -2