3[1-(-6x-1)]=108x+21

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Solution for 3[1-(-6x-1)]=108x+21 equation:


Simplifying
3[1 + -1(-6x + -1)] = 108x + 21

Reorder the terms:
3[1 + -1(-1 + -6x)] = 108x + 21
3[1 + (-1 * -1 + -6x * -1)] = 108x + 21
3[1 + (1 + 6x)] = 108x + 21

Combine like terms: 1 + 1 = 2
3[2 + 6x] = 108x + 21
[2 * 3 + 6x * 3] = 108x + 21
[6 + 18x] = 108x + 21

Reorder the terms:
6 + 18x = 21 + 108x

Solving
6 + 18x = 21 + 108x

Solving for variable 'x'.

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

Add '-108x' to each side of the equation.
6 + 18x + -108x = 21 + 108x + -108x

Combine like terms: 18x + -108x = -90x
6 + -90x = 21 + 108x + -108x

Combine like terms: 108x + -108x = 0
6 + -90x = 21 + 0
6 + -90x = 21

Add '-6' to each side of the equation.
6 + -6 + -90x = 21 + -6

Combine like terms: 6 + -6 = 0
0 + -90x = 21 + -6
-90x = 21 + -6

Combine like terms: 21 + -6 = 15
-90x = 15

Divide each side by '-90'.
x = -0.1666666667

Simplifying
x = -0.1666666667

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