8x+3y=-9

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Solution for 8x+3y=-9 equation: 


Simplifying
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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