6x-9=3(-3x+12)

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Solution for 6x-9=3(-3x+12) equation:


Simplifying
6x + -9 = 3(-3x + 12)

Reorder the terms:
-9 + 6x = 3(-3x + 12)

Reorder the terms:
-9 + 6x = 3(12 + -3x)
-9 + 6x = (12 * 3 + -3x * 3)
-9 + 6x = (36 + -9x)

Solving
-9 + 6x = 36 + -9x

Solving for variable 'x'.

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

Add '9x' to each side of the equation.
-9 + 6x + 9x = 36 + -9x + 9x

Combine like terms: 6x + 9x = 15x
-9 + 15x = 36 + -9x + 9x

Combine like terms: -9x + 9x = 0
-9 + 15x = 36 + 0
-9 + 15x = 36

Add '9' to each side of the equation.
-9 + 9 + 15x = 36 + 9

Combine like terms: -9 + 9 = 0
0 + 15x = 36 + 9
15x = 36 + 9

Combine like terms: 36 + 9 = 45
15x = 45

Divide each side by '15'.
x = 3

Simplifying
x = 3

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