81=1-5(x-8)

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Solution for 81=1-5(x-8) equation:


Simplifying
81 = 1 + -5(x + -8)

Reorder the terms:
81 = 1 + -5(-8 + x)
81 = 1 + (-8 * -5 + x * -5)
81 = 1 + (40 + -5x)

Combine like terms: 1 + 40 = 41
81 = 41 + -5x

Solving
81 = 41 + -5x

Solving for variable 'x'.

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

Add '5x' to each side of the equation.
81 + 5x = 41 + -5x + 5x

Combine like terms: -5x + 5x = 0
81 + 5x = 41 + 0
81 + 5x = 41

Add '-81' to each side of the equation.
81 + -81 + 5x = 41 + -81

Combine like terms: 81 + -81 = 0
0 + 5x = 41 + -81
5x = 41 + -81

Combine like terms: 41 + -81 = -40
5x = -40

Divide each side by '5'.
x = -8

Simplifying
x = -8

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