6x-3x-9=36

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Solution for 6x-3x-9=36 equation:


Simplifying
6x + -3x + -9 = 36

Reorder the terms:
-9 + 6x + -3x = 36

Combine like terms: 6x + -3x = 3x
-9 + 3x = 36

Solving
-9 + 3x = 36

Solving for variable 'x'.

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

Add '9' to each side of the equation.
-9 + 9 + 3x = 36 + 9

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

Combine like terms: 36 + 9 = 45
3x = 45

Divide each side by '3'.
x = 15

Simplifying
x = 15

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