-3(3y-7x)-y=

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Solution for -3(3y-7x)-y= equation:


Simplifying
-3(3y + -7x) + -1y = 0

Reorder the terms:
-3(-7x + 3y) + -1y = 0
(-7x * -3 + 3y * -3) + -1y = 0
(21x + -9y) + -1y = 0

Combine like terms: -9y + -1y = -10y
21x + -10y = 0

Solving
21x + -10y = 0

Solving for variable 'x'.

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

Add '10y' to each side of the equation.
21x + -10y + 10y = 0 + 10y

Combine like terms: -10y + 10y = 0
21x + 0 = 0 + 10y
21x = 0 + 10y
Remove the zero:
21x = 10y

Divide each side by '21'.
x = 0.4761904762y

Simplifying
x = 0.4761904762y

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