15=3x+3(2x-4)

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Solution for 15=3x+3(2x-4) equation:


Simplifying
15 = 3x + 3(2x + -4)

Reorder the terms:
15 = 3x + 3(-4 + 2x)
15 = 3x + (-4 * 3 + 2x * 3)
15 = 3x + (-12 + 6x)

Reorder the terms:
15 = -12 + 3x + 6x

Combine like terms: 3x + 6x = 9x
15 = -12 + 9x

Solving
15 = -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.
15 + -9x = -12 + 9x + -9x

Combine like terms: 9x + -9x = 0
15 + -9x = -12 + 0
15 + -9x = -12

Add '-15' to each side of the equation.
15 + -15 + -9x = -12 + -15

Combine like terms: 15 + -15 = 0
0 + -9x = -12 + -15
-9x = -12 + -15

Combine like terms: -12 + -15 = -27
-9x = -27

Divide each side by '-9'.
x = 3

Simplifying
x = 3

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