2.1x+42.4=16.6-10.8x

Solution for 2.1x+42.4=16.6-10.8x equation:

Simplifying
2.1x + 42.4 = 16.6 + -10.8x

Reorder the terms:
42.4 + 2.1x = 16.6 + -10.8x

Solving
42.4 + 2.1x = 16.6 + -10.8x

Solving for variable 'x'.

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

Add '10.8x' to each side of the equation.
42.4 + 2.1x + 10.8x = 16.6 + -10.8x + 10.8x

Combine like terms: 2.1x + 10.8x = 12.9x
42.4 + 12.9x = 16.6 + -10.8x + 10.8x

Combine like terms: -10.8x + 10.8x = 0.0
42.4 + 12.9x = 16.6 + 0.0
42.4 + 12.9x = 16.6

Add '-42.4' to each side of the equation.
42.4 + -42.4 + 12.9x = 16.6 + -42.4

Combine like terms: 42.4 + -42.4 = 0.0
0.0 + 12.9x = 16.6 + -42.4
12.9x = 16.6 + -42.4

Combine like terms: 16.6 + -42.4 = -25.8
12.9x = -25.8

Divide each side by '12.9'.
x = -2

Simplifying
x = -2