28.4+3.7=x

Solution for 28.4+3.7=x equation:

Simplifying
28.4 + 3.7 = x

Combine like terms: 28.4 + 3.7 = 32.1
32.1 = x

Solving
32.1 = 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.
32.1 + -1x = x + -1x

Combine like terms: x + -1x = 0
32.1 + -1x = 0

Add '-32.1' to each side of the equation.
32.1 + -32.1 + -1x = 0 + -32.1

Combine like terms: 32.1 + -32.1 = 0.0
0.0 + -1x = 0 + -32.1
-1x = 0 + -32.1

Combine like terms: 0 + -32.1 = -32.1
-1x = -32.1

Divide each side by '-1'.
x = 32.1

Simplifying
x = 32.1