(4.8x+15.5)-(2.1x+12.2)=

Solution for (4.8x+15.5)-(2.1x+12.2)= equation:

Simplifying
(4.8x + 15.5) + -1(2.1x + 12.2) = 0

Reorder the terms:
(15.5 + 4.8x) + -1(2.1x + 12.2) = 0

Remove parenthesis around (15.5 + 4.8x)
15.5 + 4.8x + -1(2.1x + 12.2) = 0

Reorder the terms:
15.5 + 4.8x + -1(12.2 + 2.1x) = 0
15.5 + 4.8x + (12.2 * -1 + 2.1x * -1) = 0
15.5 + 4.8x + (-12.2 + -2.1x) = 0

Reorder the terms:
15.5 + -12.2 + 4.8x + -2.1x = 0

Combine like terms: 15.5 + -12.2 = 3.3
3.3 + 4.8x + -2.1x = 0

Combine like terms: 4.8x + -2.1x = 2.7x
3.3 + 2.7x = 0

Solving
3.3 + 2.7x = 0

Solving for variable 'x'.

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

Add '-3.3' to each side of the equation.
3.3 + -3.3 + 2.7x = 0 + -3.3

Combine like terms: 3.3 + -3.3 = 0.0
0.0 + 2.7x = 0 + -3.3
2.7x = 0 + -3.3

Combine like terms: 0 + -3.3 = -3.3
2.7x = -3.3

Divide each side by '2.7'.
x = -1.222222222

Simplifying
x = -1.222222222