mckaylaataylor mckaylaataylor

13-12-2016
Mathematics

contestada

What is the value of x? 10x−15=−5x−20
a -1
b -1/3
c 1/3
d 1

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leeandrews2 leeandrews2

13-12-2016

10x-15 = -5x-20 add 5x to both sides
15x-15=-20 add 15 to both sides
15x= -5 divide by 15 on both sides
x= -1/3

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