9x-7y=-77

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Solution for 9x-7y=-77 equation: 


Simplifying
9x + -7y = -77

Solving
9x + -7y = -77

Solving for variable 'x'.

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

Add '7y' to each side of the equation.
9x + -7y + 7y = -77 + 7y

Combine like terms: -7y + 7y = 0
9x + 0 = -77 + 7y
9x = -77 + 7y

Divide each side by '9'.
x = -8.555555556 + 0.7777777778y

Simplifying
x = -8.555555556 + 0.7777777778y

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