5.2x-18.9-2.1x=-4.2+c

Solution for 5.2x-18.9-2.1x=-4.2+c equation:

Simplifying
5.2x + -18.9 + -2.1x = -4.2 + c

Reorder the terms:
-18.9 + 5.2x + -2.1x = -4.2 + c

Combine like terms: 5.2x + -2.1x = 3.1x
-18.9 + 3.1x = -4.2 + c

Solving
-18.9 + 3.1x = -4.2 + c

Solving for variable 'x'.

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

Add '18.9' to each side of the equation.
-18.9 + 18.9 + 3.1x = -4.2 + 18.9 + c

Combine like terms: -18.9 + 18.9 = 0.0
0.0 + 3.1x = -4.2 + 18.9 + c
3.1x = -4.2 + 18.9 + c

Combine like terms: -4.2 + 18.9 = 14.7
3.1x = 14.7 + c

Divide each side by '3.1'.
x = 4.741935484 + 0.3225806452c

Simplifying
x = 4.741935484 + 0.3225806452c