6x+9y=3x+12

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Solution for 6x+9y=3x+12 equation:


Simplifying
6x + 9y = 3x + 12

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

Solving
6x + 9y = 12 + 3x

Solving for variable 'x'.

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

Add '-3x' to each side of the equation.
6x + -3x + 9y = 12 + 3x + -3x

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

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

Add '-9y' to each side of the equation.
3x + 9y + -9y = 12 + -9y

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

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

Simplifying
x = 4 + -3y

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