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what is x if 3,83 = 2x + y

 Jan 19, 2016
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what is x if 3,83 = 2x + y

 

Solve for x:
3.83 = 2 x+y

3.83 = 383/100:
383/100 = 2 x+y

383/100 = 2 x+y is equivalent to 2 x+y = 383/100:
2 x+y = 383/100

Subtract y from both sides:
2 x = 1/100 (383-100 y)

Divide both sides by 2:
Answer: | x = 1/200 (383-100 y)

 Jan 19, 2016

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