8r+9r-11r+7r what is the answer I have to turn it in today!!
2 answers:
Answer:
=13r
Step-by-step explanation:
All you have to do is sum and subtract where the sign applies
8r+9r-11r+7r
=17r-4r
=13r
Answer:
13r
Step-by-step explanation:
8+9=17-11=6+7=13
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