12 + 3y = 21 Expression or Equation:

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Angelika asked Oct 9, 2022

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12 + 3y = 21
Expression or Equation:

Mathematics
high-school

Angelika asked Oct 9, 2022

by Angelika

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Answer:

equation

Explanation:

12 + 3y = 21

-12. -12

__________

3y = 9

y = 3

Maurice Kelly answered Oct 10, 2022

by Maurice Kelly

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15 votes

It is an equation because it has an equal sign. Whereas an expression does not have an equal sign.

Jturolla answered Oct 13, 2022

by Jturolla

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