9x-10y=-90

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Solution for 9x-10y=-90 equation: 


Simplifying
9x + -10y = -90

Solving
9x + -10y = -90

Solving for variable 'x'.

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

Add '10y' to each side of the equation.
9x + -10y + 10y = -90 + 10y

Combine like terms: -10y + 10y = 0
9x + 0 = -90 + 10y
9x = -90 + 10y

Divide each side by '9'.
x = -10 + 1.111111111y

Simplifying
x = -10 + 1.111111111y

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