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Please explain how to do it 2r +9r + 10 = 0

Please explain how to do it 2r +9r + 10 = 0
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1 vote
Please explain how to do it
2r +9r + 10 = 0

User Tejaskumar
by
7.3k points

1 Answer

3 votes

Answer:


r= -(10)/(11)

Explanation:


2r+9r+10=0\\

combine 2r and 9r


11r+10=0

subtract 10 on both sides


11r=-10


r= -(10)/(11)

User Thibaut Ranise
by
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