johnny85 johnny85

28-08-2017
Mathematics

contestada

10 times the sum of half a number and 6 is 8

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28-08-2017

10 (x/2 +6)=8
10x/2 +60=8
Subtract 60 from both sides
10x/2+60-60=8-60
10x/2= -52
Multiply both sides by 2
(10x/2)*2= -52*2
10x= -104
Divide both sides by 10
10x/10=-104/10
Answer: x= -10.4

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