-11.72=x+3.4+6.2

Solution for -11.72=x+3.4+6.2 equation:

Simplifying
-11.72 = x + 3.4 + 6.2

Reorder the terms:
-11.72 = 3.4 + 6.2 + x

Combine like terms: 3.4 + 6.2 = 9.6
-11.72 = 9.6 + x

Solving
-11.72 = 9.6 + 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.
-11.72 + -1x = 9.6 + x + -1x

Combine like terms: x + -1x = 0
-11.72 + -1x = 9.6 + 0
-11.72 + -1x = 9.6

Add '11.72' to each side of the equation.
-11.72 + 11.72 + -1x = 9.6 + 11.72

Combine like terms: -11.72 + 11.72 = 0.00
0.00 + -1x = 9.6 + 11.72
-1x = 9.6 + 11.72

Combine like terms: 9.6 + 11.72 = 21.32
-1x = 21.32

Divide each side by '-1'.
x = -21.32

Simplifying
x = -21.32