4(5x+5)-1=-81

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Solution for 4(5x+5)-1=-81 equation:


Simplifying
4(5x + 5) + -1 = -81

Reorder the terms:
4(5 + 5x) + -1 = -81
(5 * 4 + 5x * 4) + -1 = -81
(20 + 20x) + -1 = -81

Reorder the terms:
20 + -1 + 20x = -81

Combine like terms: 20 + -1 = 19
19 + 20x = -81

Solving
19 + 20x = -81

Solving for variable 'x'.

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

Add '-19' to each side of the equation.
19 + -19 + 20x = -81 + -19

Combine like terms: 19 + -19 = 0
0 + 20x = -81 + -19
20x = -81 + -19

Combine like terms: -81 + -19 = -100
20x = -100

Divide each side by '20'.
x = -5

Simplifying
x = -5

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