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Combine any like terms in the expression. If there are no like terms, rewrite the expression. 10r–9r
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Combine any like terms in the expression. If there are no like terms, rewrite the expression.

10r–9r

User NPras
by
3.3k points

1 Answer

4 votes

Answer:

r

Explanation:

r is like a unit

you can subtract terms with the same unit

10r-9r= 1r

1r=r

User William Jockusch
by
4.8k points
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