2.1x+45.2=3.2-8.4

Solution for 2.1x+45.2=3.2-8.4 equation:

Simplifying
2.1x + 45.2 = 3.2 + -8.4

Reorder the terms:
45.2 + 2.1x = 3.2 + -8.4

Combine like terms: 3.2 + -8.4 = -5.2
45.2 + 2.1x = -5.2

Solving
45.2 + 2.1x = -5.2

Solving for variable 'x'.

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

Add '-45.2' to each side of the equation.
45.2 + -45.2 + 2.1x = -5.2 + -45.2

Combine like terms: 45.2 + -45.2 = 0.0
0.0 + 2.1x = -5.2 + -45.2
2.1x = -5.2 + -45.2

Combine like terms: -5.2 + -45.2 = -50.4
2.1x = -50.4

Divide each side by '2.1'.
x = -24

Simplifying
x = -24