-9x+3y=-21

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Solution for -9x+3y=-21 equation: 


Simplifying
-9x + 3y = -21

Solving
-9x + 3y = -21

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.
-9x + 3y + -3y = -21 + -3y

Combine like terms: 3y + -3y = 0
-9x + 0 = -21 + -3y
-9x = -21 + -3y

Divide each side by '-9'.
x = 2.333333333 + 0.3333333333y

Simplifying
x = 2.333333333 + 0.3333333333y

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