Can someone help me out?

1/3(x-10)=-4 solve for x with steps

Identify whether the figure has plane symmetry, symmetry about an axis, or neither.

Cherie measures and records the lengths and sizes of the same style of a sandal found at a shoe store. which equation can be used to determine the approximate shoe size, s, for a foot length of x inches? s = x – 2 s = 2x – 10 s = x + 6 s = 2x + 4