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Mathematics 17 Online
OpenStudy (anonymous):

combining like terms... 12r + 5 + 3 r -5 = 15r +0 is this correct?

OpenStudy (anonymous):

yes

OpenStudy (anonymous):

thank u

OpenStudy (anonymous):

You may ignore the zero. $$ 12r + 5 + 3 r -5 = 15r$$

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