3y-21x=15

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Solution for 3y-21x=15 equation: 


Simplifying
3y + -21x = 15

Reorder the terms:
-21x + 3y = 15

Solving
-21x + 3y = 15

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 = 15 + -3y

Combine like terms: 3y + -3y = 0
-21x + 0 = 15 + -3y
-21x = 15 + -3y

Divide each side by '-21'.
x = -0.7142857143 + 0.1428571429y

Simplifying
x = -0.7142857143 + 0.1428571429y

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