KingLibra2002 KingLibra2002

13-01-2017
Mathematics

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What value of j makes the equation true?

2/3j+8−1/4j=12

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13-01-2017

2/3j+8-1/4j=12
minus 8 both sides
2/3j-1/4j=4
2/3=8/12
1/4=3/12
8/12j-3/12j=4
5/12j=4
times both sides by 12
5j=48
divide both sides by 5
j=48/5

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