Question

5x = 30?
8=x/3?
7x - 2x = 5?
5 + 6x = x?

Answer 1

5x = 30?

5 * x = 30

x = 30 / 5

x= 6

8=x/3?

8 = x : 3

8 * 3 = x

24 = x

7x - 2x = 5?

5x = 5

x = 5 / 5

x = 1

5 + 6x = x?

6x - x = -5

5x = -5

x = -5 / 5

x = -1