-12x-3y=-21

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Solution for -12x-3y=-21 equation: 


Simplifying
-12x + -3y = -21

Solving
-12x + -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.
-12x + -3y + 3y = -21 + 3y

Combine like terms: -3y + 3y = 0
-12x + 0 = -21 + 3y
-12x = -21 + 3y

Divide each side by '-12'.
x = 1.75 + -0.25y

Simplifying
x = 1.75 + -0.25y

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