9x-12y=-21

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Solution for 9x-12y=-21 equation: 


Simplifying
9x + -12y = -21

Solving
9x + -12y = -21

Solving for variable 'x'.

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

Add '12y' to each side of the equation.
9x + -12y + 12y = -21 + 12y

Combine like terms: -12y + 12y = 0
9x + 0 = -21 + 12y
9x = -21 + 12y

Divide each side by '9'.
x = -2.333333333 + 1.333333333y

Simplifying
x = -2.333333333 + 1.333333333y

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