9x+3x-6=30

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Solution for 9x+3x-6=30 equation:


Simplifying
9x + 3x + -6 = 30

Reorder the terms:
-6 + 9x + 3x = 30

Combine like terms: 9x + 3x = 12x
-6 + 12x = 30

Solving
-6 + 12x = 30

Solving for variable 'x'.

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

Add '6' to each side of the equation.
-6 + 6 + 12x = 30 + 6

Combine like terms: -6 + 6 = 0
0 + 12x = 30 + 6
12x = 30 + 6

Combine like terms: 30 + 6 = 36
12x = 36

Divide each side by '12'.
x = 3

Simplifying
x = 3

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