42.5=x+(x+5.3)

Solution for 42.5=x+(x+5.3) equation:

Simplifying
42.5 = x + (x + 5.3)

Reorder the terms:
42.5 = x + (5.3 + x)

Remove parenthesis around (5.3 + x)
42.5 = x + 5.3 + x

Reorder the terms:
42.5 = 5.3 + x + x

Combine like terms: x + x = 2x
42.5 = 5.3 + 2x

Solving
42.5 = 5.3 + 2x

Solving for variable 'x'.

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

Add '-2x' to each side of the equation.
42.5 + -2x = 5.3 + 2x + -2x

Combine like terms: 2x + -2x = 0
42.5 + -2x = 5.3 + 0
42.5 + -2x = 5.3

Add '-42.5' to each side of the equation.
42.5 + -42.5 + -2x = 5.3 + -42.5

Combine like terms: 42.5 + -42.5 = 0.0
0.0 + -2x = 5.3 + -42.5
-2x = 5.3 + -42.5

Combine like terms: 5.3 + -42.5 = -37.2
-2x = -37.2

Divide each side by '-2'.
x = 18.6

Simplifying
x = 18.6