-21x+3y=-57

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Solution for -21x+3y=-57 equation: 


Simplifying
-21x + 3y = -57

Solving
-21x + 3y = -57

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.
-21x + 3y + -3y = -57 + -3y

Combine like terms: 3y + -3y = 0
-21x + 0 = -57 + -3y
-21x = -57 + -3y

Divide each side by '-21'.
x = 2.714285714 + 0.1428571429y

Simplifying
x = 2.714285714 + 0.1428571429y

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