(2.25x+4.5)-(-1.25x+(-6))=

Solution for (2.25x+4.5)-(-1.25x+(-6))= equation:

Simplifying
(2.25x + 4.5) + -1(-1.25x + (-6)) = 0

Reorder the terms:
(4.5 + 2.25x) + -1(-1.25x + (-6)) = 0

Remove parenthesis around (4.5 + 2.25x)
4.5 + 2.25x + -1(-1.25x + (-6)) = 0
4.5 + 2.25x + -1(-1.25x + -6) = 0

Reorder the terms:
4.5 + 2.25x + -1(-6 + -1.25x) = 0
4.5 + 2.25x + (-6 * -1 + -1.25x * -1) = 0
4.5 + 2.25x + (6 + 1.25x) = 0

Reorder the terms:
4.5 + 6 + 2.25x + 1.25x = 0

Combine like terms: 4.5 + 6 = 10.5
10.5 + 2.25x + 1.25x = 0

Combine like terms: 2.25x + 1.25x = 3.5x
10.5 + 3.5x = 0

Solving
10.5 + 3.5x = 0

Solving for variable 'x'.

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

Add '-10.5' to each side of the equation.
10.5 + -10.5 + 3.5x = 0 + -10.5

Combine like terms: 10.5 + -10.5 = 0.0
0.0 + 3.5x = 0 + -10.5
3.5x = 0 + -10.5

Combine like terms: 0 + -10.5 = -10.5
3.5x = -10.5

Divide each side by '3.5'.
x = -3

Simplifying
x = -3