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What is the value of x in the equation 1/5x –2/3 y = 30, when y = 15? A.4 B. 8 C. 80 D. 200
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May 7, 2017
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What is the value of x in the equation 1/5x –2/3 y = 30, when y = 15?
A.4
B. 8
C. 80
D. 200
Mathematics
high-school
Shubhaw Kumar
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Shubhaw Kumar
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Plug y= 15 in the equation 1/5x -2/3y= 30, we have:
1/5x -2/3* 15= 30
⇒ 1/5x -10= 30
⇒ 1/5x= 30+ 10
⇒ 1/5x= 40
⇒ x= 40/ (1/5)
⇒ x= 40* (5/1)
⇒ x= 200
Final answer: D. 200
~
Creed
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May 11, 2017
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Creed
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