3y=9x-21

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Solution for 3y=9x-21 equation: 


Simplifying
3y = 9x + -21

Reorder the terms:
3y = -21 + 9x

Solving
3y = -21 + 9x

Solving for variable 'y'.

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

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

Simplifying
y = -7 + 3x

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