8y+4x=81

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Solution for 8y+4x=81 equation: 


Simplifying
8y + 4x = 81

Reorder the terms:
4x + 8y = 81

Solving
4x + 8y = 81

Solving for variable 'x'.

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

Add '-8y' to each side of the equation.
4x + 8y + -8y = 81 + -8y

Combine like terms: 8y + -8y = 0
4x + 0 = 81 + -8y
4x = 81 + -8y

Divide each side by '4'.
x = 20.25 + -2y

Simplifying
x = 20.25 + -2y

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