.30+140=s

Solution for .30+140=s equation:

Simplifying
0.30 + 140 = s

Combine like terms: 0.30 + 140 = 140.3
140.3 = s

Solving
140.3 = s

Solving for variable 's'.

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

Add '-1s' to each side of the equation.
140.3 + -1s = s + -1s

Combine like terms: s + -1s = 0
140.3 + -1s = 0

Add '-140.3' to each side of the equation.
140.3 + -140.3 + -1s = 0 + -140.3

Combine like terms: 140.3 + -140.3 = 0.0
0.0 + -1s = 0 + -140.3
-1s = 0 + -140.3

Combine like terms: 0 + -140.3 = -140.3
-1s = -140.3

Divide each side by '-1'.
s = 140.3

Simplifying
s = 140.3