81=6-4x

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Solution for 81=6-4x equation:


Simplifying
81 = 6 + -4x

Solving
81 = 6 + -4x

Solving for variable 'x'.

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

Add '4x' to each side of the equation.
81 + 4x = 6 + -4x + 4x

Combine like terms: -4x + 4x = 0
81 + 4x = 6 + 0
81 + 4x = 6

Add '-81' to each side of the equation.
81 + -81 + 4x = 6 + -81

Combine like terms: 81 + -81 = 0
0 + 4x = 6 + -81
4x = 6 + -81

Combine like terms: 6 + -81 = -75
4x = -75

Divide each side by '4'.
x = -18.75

Simplifying
x = -18.75

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