148=s+2(s+3)+4s-5

Solution for 148=s+2(s+3)+4s-5 equation:

Simplifying
148 = s + 2(s + 3) + 4s + -5

Reorder the terms:
148 = s + 2(3 + s) + 4s + -5
148 = s + (3 * 2 + s * 2) + 4s + -5
148 = s + (6 + 2s) + 4s + -5

Reorder the terms:
148 = 6 + -5 + s + 2s + 4s

Combine like terms: 6 + -5 = 1
148 = 1 + s + 2s + 4s

Combine like terms: s + 2s = 3s
148 = 1 + 3s + 4s

Combine like terms: 3s + 4s = 7s
148 = 1 + 7s

Solving
148 = 1 + 7s

Solving for variable 's'.

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

Add '-7s' to each side of the equation.
148 + -7s = 1 + 7s + -7s

Combine like terms: 7s + -7s = 0
148 + -7s = 1 + 0
148 + -7s = 1

Add '-148' to each side of the equation.
148 + -148 + -7s = 1 + -148

Combine like terms: 148 + -148 = 0
0 + -7s = 1 + -148
-7s = 1 + -148

Combine like terms: 1 + -148 = -147
-7s = -147

Divide each side by '-7'.
s = 21

Simplifying
s = 21