81=8(8x)

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Solution for 81=8(8x) equation:


Simplifying
81 = 8(8x)

Remove parenthesis around (8x)
81 = 8 * 8x

Multiply 8 * 8
81 = 64x

Solving
81 = 64x

Solving for variable 'x'.

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

Add '-64x' to each side of the equation.
81 + -64x = 64x + -64x

Combine like terms: 64x + -64x = 0
81 + -64x = 0

Add '-81' to each side of the equation.
81 + -81 + -64x = 0 + -81

Combine like terms: 81 + -81 = 0
0 + -64x = 0 + -81
-64x = 0 + -81

Combine like terms: 0 + -81 = -81
-64x = -81

Divide each side by '-64'.
x = 1.265625

Simplifying
x = 1.265625

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