s+3=2s

Solution for s+3=2s equation:

Simplifying
s + 3 = 2s

Reorder the terms:
3 + s = 2s

Solving
3 + s = 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.
3 + s + -2s = 2s + -2s

Combine like terms: s + -2s = -1s
3 + -1s = 2s + -2s

Combine like terms: 2s + -2s = 0
3 + -1s = 0

Add '-3' to each side of the equation.
3 + -3 + -1s = 0 + -3

Combine like terms: 3 + -3 = 0
0 + -1s = 0 + -3
-1s = 0 + -3

Combine like terms: 0 + -3 = -3
-1s = -3

Divide each side by '-1'.
s = 3

Simplifying
s = 3