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Mathematics 20 Online
OpenStudy (anonymous):

Are these terms like or unlike? 4x, -7x

OpenStudy (solomonzelman):

what do you think?

OpenStudy (anonymous):

Alike?

OpenStudy (solomonzelman):

Lets say a+a are those like or alike?

OpenStudy (anonymous):

Those are alike.

OpenStudy (solomonzelman):

they are like terms, b/c a is an unknown number, but a is equal to a.

OpenStudy (solomonzelman):

right?

OpenStudy (solomonzelman):

a and a are the same number, except that we don't know which number.

OpenStudy (solomonzelman):

@dom_julianne, do you see why 'a' & 'a' are like terms?

OpenStudy (anonymous):

Yes

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