(12x-9)-(6x+36)=

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Solution for (12x-9)-(6x+36)= equation:


Simplifying
(12x + -9) + -1(6x + 36) = 0

Reorder the terms:
(-9 + 12x) + -1(6x + 36) = 0

Remove parenthesis around (-9 + 12x)
-9 + 12x + -1(6x + 36) = 0

Reorder the terms:
-9 + 12x + -1(36 + 6x) = 0
-9 + 12x + (36 * -1 + 6x * -1) = 0
-9 + 12x + (-36 + -6x) = 0

Reorder the terms:
-9 + -36 + 12x + -6x = 0

Combine like terms: -9 + -36 = -45
-45 + 12x + -6x = 0

Combine like terms: 12x + -6x = 6x
-45 + 6x = 0

Solving
-45 + 6x = 0

Solving for variable 'x'.

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

Add '45' to each side of the equation.
-45 + 45 + 6x = 0 + 45

Combine like terms: -45 + 45 = 0
0 + 6x = 0 + 45
6x = 0 + 45

Combine like terms: 0 + 45 = 45
6x = 45

Divide each side by '6'.
x = 7.5

Simplifying
x = 7.5

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