(2X-6)-(6X+9)=

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Solution for (2X-6)-(6X+9)= equation:


Simplifying
(2X + -6) + -1(6X + 9) = 0

Reorder the terms:
(-6 + 2X) + -1(6X + 9) = 0

Remove parenthesis around (-6 + 2X)
-6 + 2X + -1(6X + 9) = 0

Reorder the terms:
-6 + 2X + -1(9 + 6X) = 0
-6 + 2X + (9 * -1 + 6X * -1) = 0
-6 + 2X + (-9 + -6X) = 0

Reorder the terms:
-6 + -9 + 2X + -6X = 0

Combine like terms: -6 + -9 = -15
-15 + 2X + -6X = 0

Combine like terms: 2X + -6X = -4X
-15 + -4X = 0

Solving
-15 + -4X = 0

Solving for variable 'X'.

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

Add '15' to each side of the equation.
-15 + 15 + -4X = 0 + 15

Combine like terms: -15 + 15 = 0
0 + -4X = 0 + 15
-4X = 0 + 15

Combine like terms: 0 + 15 = 15
-4X = 15

Divide each side by '-4'.
X = -3.75

Simplifying
X = -3.75

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