Question

0.5(x4-7)12= 4 is a power!!!!!

Answer 1

I don't know, maybe someone can solve the rest

Explanation:

0.5(
`x^(4)` - 7)12 = 4

12 * 0.5 = 6

6(
`x^(4)` - 7) = 4

6
`x^(4)` - 42 = 4

6
`x^(4)` = 46

`x^(4)` = 46 / 6