3x+6(x-2)=78

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Solution for 3x+6(x-2)=78 equation:


Simplifying
3x + 6(x + -2) = 78

Reorder the terms:
3x + 6(-2 + x) = 78
3x + (-2 * 6 + x * 6) = 78
3x + (-12 + 6x) = 78

Reorder the terms:
-12 + 3x + 6x = 78

Combine like terms: 3x + 6x = 9x
-12 + 9x = 78

Solving
-12 + 9x = 78

Solving for variable 'x'.

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

Add '12' to each side of the equation.
-12 + 12 + 9x = 78 + 12

Combine like terms: -12 + 12 = 0
0 + 9x = 78 + 12
9x = 78 + 12

Combine like terms: 78 + 12 = 90
9x = 90

Divide each side by '9'.
x = 10

Simplifying
x = 10

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