(-6x-3)+(3x-9)=

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Solution for (-6x-3)+(3x-9)= equation:


Simplifying
(-6x + -3) + (3x + -9) = 0

Reorder the terms:
(-3 + -6x) + (3x + -9) = 0

Remove parenthesis around (-3 + -6x)
-3 + -6x + (3x + -9) = 0

Reorder the terms:
-3 + -6x + (-9 + 3x) = 0

Remove parenthesis around (-9 + 3x)
-3 + -6x + -9 + 3x = 0

Reorder the terms:
-3 + -9 + -6x + 3x = 0

Combine like terms: -3 + -9 = -12
-12 + -6x + 3x = 0

Combine like terms: -6x + 3x = -3x
-12 + -3x = 0

Solving
-12 + -3x = 0

Solving for variable 'x'.

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

Add '12' to each side of the equation.
-12 + 12 + -3x = 0 + 12

Combine like terms: -12 + 12 = 0
0 + -3x = 0 + 12
-3x = 0 + 12

Combine like terms: 0 + 12 = 12
-3x = 12

Divide each side by '-3'.
x = -4

Simplifying
x = -4

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