81=-5x-4

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Solution for 81=-5x-4 equation:


Simplifying
81 = -5x + -4

Reorder the terms:
81 = -4 + -5x

Solving
81 = -4 + -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 = -4 + -5x + 5x

Combine like terms: -5x + 5x = 0
81 + 5x = -4 + 0
81 + 5x = -4

Add '-81' to each side of the equation.
81 + -81 + 5x = -4 + -81

Combine like terms: 81 + -81 = 0
0 + 5x = -4 + -81
5x = -4 + -81

Combine like terms: -4 + -81 = -85
5x = -85

Divide each side by '5'.
x = -17

Simplifying
x = -17

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