12=2s+5

Solution for 12=2s+5 equation:

Simplifying
12 = 2s + 5

Reorder the terms:
12 = 5 + 2s

Solving
12 = 5 + 2s

Solving for variable 's'.

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

Add '-2s' to each side of the equation.
12 + -2s = 5 + 2s + -2s

Combine like terms: 2s + -2s = 0
12 + -2s = 5 + 0
12 + -2s = 5

Add '-12' to each side of the equation.
12 + -12 + -2s = 5 + -12

Combine like terms: 12 + -12 = 0
0 + -2s = 5 + -12
-2s = 5 + -12

Combine like terms: 5 + -12 = -7
-2s = -7

Divide each side by '-2'.
s = 3.5

Simplifying
s = 3.5