21x-12y=-21

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


Simplifying
21x + -12y = -21

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

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

Divide each side by '21'.
x = -1 + 0.5714285714y

Simplifying
x = -1 + 0.5714285714y

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