-3y=21-7x

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Solution for -3y=21-7x equation: 


Simplifying
-3y = 21 + -7x

Solving
-3y = 21 + -7x

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 + 2.333333333x

Simplifying
y = -7 + 2.333333333x

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