3.3=x+0.4

Solution for 3.3=x+0.4 equation:

Simplifying
3.3 = x + 0.4

Reorder the terms:
3.3 = 0.4 + x

Solving
3.3 = 0.4 + x

Solving for variable 'x'.

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

Add '-1x' to each side of the equation.
3.3 + -1x = 0.4 + x + -1x

Combine like terms: x + -1x = 0
3.3 + -1x = 0.4 + 0
3.3 + -1x = 0.4

Add '-3.3' to each side of the equation.
3.3 + -3.3 + -1x = 0.4 + -3.3

Combine like terms: 3.3 + -3.3 = 0.0
0.0 + -1x = 0.4 + -3.3
-1x = 0.4 + -3.3

Combine like terms: 0.4 + -3.3 = -2.9
-1x = -2.9

Divide each side by '-1'.
x = 2.9

Simplifying
x = 2.9