# Math equation

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The Congress of the United States signed the Declaration of Independence in 1776. Find the difference in years between the year that the Congress signed this document and the year that you were born.
I was born 2003.
Is this right?

y - 1776 = 2003

or 2003 - 1176 = y

• Math equation -

You can easily estimate that the difference is a little over 200 years.

Which process will produce that answer?

• Math equation -

I'm suppose to create my own equation like the one I showed you above. Is the first one right? It is solving subtraction equations where I add or subtract each side to undo the subtraction. Does this make sense?
So if I were to say y + 1776 = 2003 this would be the right way right?

• Math equation -

y + 1776 -1776 = 2003 - 1776
y = 227

y + 1776 = 2003
227 + 1776 = 2003
2003 = 2003 Checked

But how is this correct true?

• Math equation -

Yes, you're right.

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