3[2x-y]=9x+12

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Solution for 3[2x-y]=9x+12 equation:


Simplifying
3[2x + -1y] = 9x + 12
[2x * 3 + -1y * 3] = 9x + 12
[6x + -3y] = 9x + 12

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

Solving
6x + -3y = 12 + 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.
6x + -9x + -3y = 12 + 9x + -9x

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

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

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

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

Divide each side by '-3'.
x = -4 + -1y

Simplifying
x = -4 + -1y

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