If three times x is equal to x decreased by y and y is three less than x then value of x is:
Correct answer D. 1
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Correct answer C. 8
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Correct answer E. 3n-m+2=0
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Correct answer B. 3q
In a Math test there were 60 problems which were to be done in 1 hour. A student completes 30 problems in 20 minutes how many seconds does he have as average for completing each of the remaining problems.
Correct answer C. 80
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