0=-21-9y-12x

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Solution for 0=-21-9y-12x equation:


Simplifying
0 = -21 + -9y + -12x

Reorder the terms:
0 = -21 + -12x + -9y

Solving
0 = -21 + -12x + -9y

Solving for variable 'x'.

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

Add '12x' to each side of the equation.
0 + 12x = -21 + -12x + 12x + -9y
Remove the zero:
12x = -21 + -12x + 12x + -9y

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

Divide each side by '12'.
x = -1.75 + -0.75y

Simplifying
x = -1.75 + -0.75y

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