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

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


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

Reorder the terms:
-12 + 3x = 3(3x + 4)

Reorder the terms:
-12 + 3x = 3(4 + 3x)
-12 + 3x = (4 * 3 + 3x * 3)
-12 + 3x = (12 + 9x)

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

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

Combine like terms: 9x + -9x = 0
-12 + -6x = 12 + 0
-12 + -6x = 12

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

Combine like terms: -12 + 12 = 0
0 + -6x = 12 + 12
-6x = 12 + 12

Combine like terms: 12 + 12 = 24
-6x = 24

Divide each side by '-6'.
x = -4

Simplifying
x = -4

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