3x-6(-3x-39)=66

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Solution for 3x-6(-3x-39)=66 equation:


Simplifying
3x + -6(-3x + -39) = 66

Reorder the terms:
3x + -6(-39 + -3x) = 66
3x + (-39 * -6 + -3x * -6) = 66
3x + (234 + 18x) = 66

Reorder the terms:
234 + 3x + 18x = 66

Combine like terms: 3x + 18x = 21x
234 + 21x = 66

Solving
234 + 21x = 66

Solving for variable 'x'.

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

Add '-234' to each side of the equation.
234 + -234 + 21x = 66 + -234

Combine like terms: 234 + -234 = 0
0 + 21x = 66 + -234
21x = 66 + -234

Combine like terms: 66 + -234 = -168
21x = -168

Divide each side by '21'.
x = -8

Simplifying
x = -8

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