-2.8[x+4.9]=18.2

Solution for -2.8[x+4.9]=18.2 equation:

Simplifying
-2.8[x + 4.9] = 18.2

Reorder the terms:
-2.8[4.9 + x] = 18.2
[4.9 * -2.8 + x * -2.8] = 18.2
[-13.72 + -2.8x] = 18.2

Solving
-13.72 + -2.8x = 18.2

Solving for variable 'x'.

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

Add '13.72' to each side of the equation.
-13.72 + 13.72 + -2.8x = 18.2 + 13.72

Combine like terms: -13.72 + 13.72 = 0.00
0.00 + -2.8x = 18.2 + 13.72
-2.8x = 18.2 + 13.72

Combine like terms: 18.2 + 13.72 = 31.92
-2.8x = 31.92

Divide each side by '-2.8'.
x = -11.4

Simplifying
x = -11.4