3(2x)-9x-4=2x+12

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Solution for 3(2x)-9x-4=2x+12 equation:


Simplifying
3(2x) + -9x + -4 = 2x + 12

Remove parenthesis around (2x)
3 * 2x + -9x + -4 = 2x + 12

Multiply 3 * 2
6x + -9x + -4 = 2x + 12

Reorder the terms:
-4 + 6x + -9x = 2x + 12

Combine like terms: 6x + -9x = -3x
-4 + -3x = 2x + 12

Reorder the terms:
-4 + -3x = 12 + 2x

Solving
-4 + -3x = 12 + 2x

Solving for variable 'x'.

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

Add '-2x' to each side of the equation.
-4 + -3x + -2x = 12 + 2x + -2x

Combine like terms: -3x + -2x = -5x
-4 + -5x = 12 + 2x + -2x

Combine like terms: 2x + -2x = 0
-4 + -5x = 12 + 0
-4 + -5x = 12

Add '4' to each side of the equation.
-4 + 4 + -5x = 12 + 4

Combine like terms: -4 + 4 = 0
0 + -5x = 12 + 4
-5x = 12 + 4

Combine like terms: 12 + 4 = 16
-5x = 16

Divide each side by '-5'.
x = -3.2

Simplifying
x = -3.2

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