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

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Solution for -5x+4(-5x+1)=129 equation:


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

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

Reorder the terms:
4 + -5x + -20x = 129

Combine like terms: -5x + -20x = -25x
4 + -25x = 129

Solving
4 + -25x = 129

Solving for variable 'x'.

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

Add '-4' to each side of the equation.
4 + -4 + -25x = 129 + -4

Combine like terms: 4 + -4 = 0
0 + -25x = 129 + -4
-25x = 129 + -4

Combine like terms: 129 + -4 = 125
-25x = 125

Divide each side by '-25'.
x = -5

Simplifying
x = -5

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