7(x-3y)=

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


Simplifying
7(x + -3y) = 0
(x * 7 + -3y * 7) = 0
(7x + -21y) = 0

Solving
7x + -21y = 0

Solving for variable 'x'.

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

Add '21y' to each side of the equation.
7x + -21y + 21y = 0 + 21y

Combine like terms: -21y + 21y = 0
7x + 0 = 0 + 21y
7x = 0 + 21y
Remove the zero:
7x = 21y

Divide each side by '7'.
x = 3y

Simplifying
x = 3y

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