3x+6(2x-4)=81

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Solution for 3x+6(2x-4)=81 equation:


Simplifying
3x + 6(2x + -4) = 81

Reorder the terms:
3x + 6(-4 + 2x) = 81
3x + (-4 * 6 + 2x * 6) = 81
3x + (-24 + 12x) = 81

Reorder the terms:
-24 + 3x + 12x = 81

Combine like terms: 3x + 12x = 15x
-24 + 15x = 81

Solving
-24 + 15x = 81

Solving for variable 'x'.

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

Add '24' to each side of the equation.
-24 + 24 + 15x = 81 + 24

Combine like terms: -24 + 24 = 0
0 + 15x = 81 + 24
15x = 81 + 24

Combine like terms: 81 + 24 = 105
15x = 105

Divide each side by '15'.
x = 7

Simplifying
x = 7

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