9x-y=-30

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Solution for 9x-y=-30 equation: 


Simplifying
9x + -1y = -30

Solving
9x + -1y = -30

Solving for variable 'x'.

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

Add 'y' to each side of the equation.
9x + -1y + y = -30 + y

Combine like terms: -1y + y = 0
9x + 0 = -30 + y
9x = -30 + y

Divide each side by '9'.
x = -3.333333333 + 0.1111111111y

Simplifying
x = -3.333333333 + 0.1111111111y

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