3=.1x

Solution for 3=.1x equation:

Simplifying
3 = 0.1x

Solving
3 = 0.1x

Solving for variable 'x'.

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

Add '-0.1x' to each side of the equation.
3 + -0.1x = 0.1x + -0.1x

Combine like terms: 0.1x + -0.1x = 0.0
3 + -0.1x = 0.0

Add '-3' to each side of the equation.
3 + -3 + -0.1x = 0.0 + -3

Combine like terms: 3 + -3 = 0
0 + -0.1x = 0.0 + -3
-0.1x = 0.0 + -3

Combine like terms: 0.0 + -3 = -3
-0.1x = -3

Divide each side by '-0.1'.
x = 30

Simplifying
x = 30