48=2s+2(s+2)-4

Solution for 48=2s+2(s+2)-4 equation:

Simplifying
48 = 2s + 2(s + 2) + -4

Reorder the terms:
48 = 2s + 2(2 + s) + -4
48 = 2s + (2 * 2 + s * 2) + -4
48 = 2s + (4 + 2s) + -4

Reorder the terms:
48 = 4 + -4 + 2s + 2s

Combine like terms: 4 + -4 = 0
48 = 0 + 2s + 2s
48 = 2s + 2s

Combine like terms: 2s + 2s = 4s
48 = 4s

Solving
48 = 4s

Solving for variable 's'.

Move all terms containing s to the left, all other terms to the right.

Add '-4s' to each side of the equation.
48 + -4s = 4s + -4s

Combine like terms: 4s + -4s = 0
48 + -4s = 0

Add '-48' to each side of the equation.
48 + -48 + -4s = 0 + -48

Combine like terms: 48 + -48 = 0
0 + -4s = 0 + -48
-4s = 0 + -48

Combine like terms: 0 + -48 = -48
-4s = -48

Divide each side by '-4'.
s = 12

Simplifying
s = 12