(21)(-3y)=

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Solution for (21)(-3y)= equation: 


Simplifying
(21)(-3y) = 0

Remove parenthesis around (-3y)
21 * -3y = 0

Multiply 21 * -3
-63y = 0

Solving
-63y = 0

Solving for variable 'y'.

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

Divide each side by '-63'.
y = 0

Simplifying
y = 0

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