3(3x+7y)=

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


Simplifying
3(3x + 7y) = 0
(3x * 3 + 7y * 3) = 0
(9x + 21y) = 0

Solving
9x + 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.
9x + 21y + -21y = 0 + -21y

Combine like terms: 21y + -21y = 0
9x + 0 = 0 + -21y
9x = 0 + -21y
Remove the zero:
9x = -21y

Divide each side by '9'.
x = -2.333333333y

Simplifying
x = -2.333333333y

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