x+8y=-9

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Solution for x+8y=-9 equation: 


Simplifying
x + 8y = -9

Solving
x + 8y = -9

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.
x + 8y + -8y = -9 + -8y

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

Simplifying
x = -9 + -8y

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