12x-3x-36=0

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Solution for 12x-3x-36=0 equation:


Simplifying
12x + -3x + -36 = 0

Reorder the terms:
-36 + 12x + -3x = 0

Combine like terms: 12x + -3x = 9x
-36 + 9x = 0

Solving
-36 + 9x = 0

Solving for variable 'x'.

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

Add '36' to each side of the equation.
-36 + 36 + 9x = 0 + 36

Combine like terms: -36 + 36 = 0
0 + 9x = 0 + 36
9x = 0 + 36

Combine like terms: 0 + 36 = 36
9x = 36

Divide each side by '9'.
x = 4

Simplifying
x = 4

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