Y=-3(12)+21

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Solution for Y=-3(12)+21 equation: 


Simplifying
Y = -3(12) + 21

Multiply -3 * 12
Y = -36 + 21

Combine like terms: -36 + 21 = -15
Y = -15

Solving
Y = -15

Solving for variable 'Y'.

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

Simplifying
Y = -15

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