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X = a) 20 b) 40 c) 80
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3 votes
X =

a) 20
b) 40
c) 80

X = a) 20 b) 40 c) 80-example-1
User Ambreen
by
6.8k points

2 Answers

5 votes

The answer is b) 40

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-Fishtank

User Saurabh Wadhwa
by
6.5k points
1 vote

x = (1)/(2) (x + 60 - 20)


x = (1)/(2) (x + 40)


x = (1)/(2)x + 20


x - (1)/(2)x = 20


(1)/(2)x = 20


x = 20 * 2


x = 40
User Jasonfungsing
by
5.9k points
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