2.1x-43.1=8.4-3.2

Solution for 2.1x-43.1=8.4-3.2 equation:

Simplifying
2.1x + -43.1 = 8.4 + -3.2

Reorder the terms:
-43.1 + 2.1x = 8.4 + -3.2

Combine like terms: 8.4 + -3.2 = 5.2
-43.1 + 2.1x = 5.2

Solving
-43.1 + 2.1x = 5.2

Solving for variable 'x'.

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

Add '43.1' to each side of the equation.
-43.1 + 43.1 + 2.1x = 5.2 + 43.1

Combine like terms: -43.1 + 43.1 = 0.0
0.0 + 2.1x = 5.2 + 43.1
2.1x = 5.2 + 43.1

Combine like terms: 5.2 + 43.1 = 48.3
2.1x = 48.3

Divide each side by '2.1'.
x = 23

Simplifying
x = 23