3y+8x=9

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Solution for 3y+8x=9 equation: 


Simplifying
3y + 8x = 9

Reorder the terms:
8x + 3y = 9

Solving
8x + 3y = 9

Solving for variable 'x'.

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

Add '-3y' to each side of the equation.
8x + 3y + -3y = 9 + -3y

Combine like terms: 3y + -3y = 0
8x + 0 = 9 + -3y
8x = 9 + -3y

Divide each side by '8'.
x = 1.125 + -0.375y

Simplifying
x = 1.125 + -0.375y

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