129=-5(-4x-3)-x

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Solution for 129=-5(-4x-3)-x equation:


Simplifying
129 = -5(-4x + -3) + -1x

Reorder the terms:
129 = -5(-3 + -4x) + -1x
129 = (-3 * -5 + -4x * -5) + -1x
129 = (15 + 20x) + -1x

Combine like terms: 20x + -1x = 19x
129 = 15 + 19x

Solving
129 = 15 + 19x

Solving for variable 'x'.

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

Add '-19x' to each side of the equation.
129 + -19x = 15 + 19x + -19x

Combine like terms: 19x + -19x = 0
129 + -19x = 15 + 0
129 + -19x = 15

Add '-129' to each side of the equation.
129 + -129 + -19x = 15 + -129

Combine like terms: 129 + -129 = 0
0 + -19x = 15 + -129
-19x = 15 + -129

Combine like terms: 15 + -129 = -114
-19x = -114

Divide each side by '-19'.
x = 6

Simplifying
x = 6

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