81=8X+64

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Solution for 81=8X+64 equation:


Simplifying
81 = 8X + 64

Reorder the terms:
81 = 64 + 8X

Solving
81 = 64 + 8X

Solving for variable 'X'.

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

Add '-8X' to each side of the equation.
81 + -8X = 64 + 8X + -8X

Combine like terms: 8X + -8X = 0
81 + -8X = 64 + 0
81 + -8X = 64

Add '-81' to each side of the equation.
81 + -81 + -8X = 64 + -81

Combine like terms: 81 + -81 = 0
0 + -8X = 64 + -81
-8X = 64 + -81

Combine like terms: 64 + -81 = -17
-8X = -17

Divide each side by '-8'.
X = 2.125

Simplifying
X = 2.125

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