6.6+4.2x=x+18.6

Solution for 6.6+4.2x=x+18.6 equation:

Simplifying
6.6 + 4.2x = x + 18.6

Reorder the terms:
6.6 + 4.2x = 18.6 + x

Solving
6.6 + 4.2x = 18.6 + 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.
6.6 + 4.2x + -1x = 18.6 + x + -1x

Combine like terms: 4.2x + -1x = 3.2x
6.6 + 3.2x = 18.6 + x + -1x

Combine like terms: x + -1x = 0
6.6 + 3.2x = 18.6 + 0
6.6 + 3.2x = 18.6

Add '-6.6' to each side of the equation.
6.6 + -6.6 + 3.2x = 18.6 + -6.6

Combine like terms: 6.6 + -6.6 = 0.0
0.0 + 3.2x = 18.6 + -6.6
3.2x = 18.6 + -6.6

Combine like terms: 18.6 + -6.6 = 12
3.2x = 12

Divide each side by '3.2'.
x = 3.75

Simplifying
x = 3.75