3x+6(x-5)=12x+9

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Solution for 3x+6(x-5)=12x+9 equation:


Simplifying
3x + 6(x + -5) = 12x + 9

Reorder the terms:
3x + 6(-5 + x) = 12x + 9
3x + (-5 * 6 + x * 6) = 12x + 9
3x + (-30 + 6x) = 12x + 9

Reorder the terms:
-30 + 3x + 6x = 12x + 9

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

Reorder the terms:
-30 + 9x = 9 + 12x

Solving
-30 + 9x = 9 + 12x

Solving for variable 'x'.

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

Add '-12x' to each side of the equation.
-30 + 9x + -12x = 9 + 12x + -12x

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

Combine like terms: 12x + -12x = 0
-30 + -3x = 9 + 0
-30 + -3x = 9

Add '30' to each side of the equation.
-30 + 30 + -3x = 9 + 30

Combine like terms: -30 + 30 = 0
0 + -3x = 9 + 30
-3x = 9 + 30

Combine like terms: 9 + 30 = 39
-3x = 39

Divide each side by '-3'.
x = -13

Simplifying
x = -13

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