2.1x+42=5.2x

Solution for 2.1x+42=5.2x equation:

Simplifying
2.1x + 42 = 5.2x

Reorder the terms:
42 + 2.1x = 5.2x

Solving
42 + 2.1x = 5.2x

Solving for variable 'x'.

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

Add '-5.2x' to each side of the equation.
42 + 2.1x + -5.2x = 5.2x + -5.2x

Combine like terms: 2.1x + -5.2x = -3.1x
42 + -3.1x = 5.2x + -5.2x

Combine like terms: 5.2x + -5.2x = 0.0
42 + -3.1x = 0.0

Add '-42' to each side of the equation.
42 + -42 + -3.1x = 0.0 + -42

Combine like terms: 42 + -42 = 0
0 + -3.1x = 0.0 + -42
-3.1x = 0.0 + -42

Combine like terms: 0.0 + -42 = -42
-3.1x = -42

Divide each side by '-3.1'.
x = 13.5483871

Simplifying
x = 13.5483871