(6-6x-6x)+3(6x+7)=15

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Solution for (6-6x-6x)+3(6x+7)=15 equation:


Simplifying
(6 + -6x + -6x) + 3(6x + 7) = 15

Combine like terms: -6x + -6x = -12x
(6 + -12x) + 3(6x + 7) = 15

Remove parenthesis around (6 + -12x)
6 + -12x + 3(6x + 7) = 15

Reorder the terms:
6 + -12x + 3(7 + 6x) = 15
6 + -12x + (7 * 3 + 6x * 3) = 15
6 + -12x + (21 + 18x) = 15

Reorder the terms:
6 + 21 + -12x + 18x = 15

Combine like terms: 6 + 21 = 27
27 + -12x + 18x = 15

Combine like terms: -12x + 18x = 6x
27 + 6x = 15

Solving
27 + 6x = 15

Solving for variable 'x'.

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

Add '-27' to each side of the equation.
27 + -27 + 6x = 15 + -27

Combine like terms: 27 + -27 = 0
0 + 6x = 15 + -27
6x = 15 + -27

Combine like terms: 15 + -27 = -12
6x = -12

Divide each side by '6'.
x = -2

Simplifying
x = -2

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