Fundamentals of Mathematics, 2008a

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Exercise 11.6.33
When seven times a number is decreased by two times the number, the result is negative one.
Exercise 11.6.34 (Solution on p. 688.)
When eight times a number is increased by ve, the result is equal to the original number plus
twenty-six.
Exercise 11.6.35
Five more than some number is three more than four times the number.
Exercise 11.6.36 (Solution on p. 688.)
When a number divided by six is increased by nine, the result is one.
Exercise 11.6.37
A number is equal to itself minus three times itself.
Exercise 11.6.38 (Solution on p. 688.)
A number divided by seven, plus two, is seventeen.
Exercise 11.6.39
A number divided by nine, minus ve times the number, is equal to one more than the number.
Exercise 11.6.40 (Solution on p. 688.)
When two is subtracted from some number, the result is ten.
Exercise 11.6.41
When four is subtracted from some number, the result is thirty-one.
Exercise 11.6.42 (Solution on p. 688.)
Three less than some number is equal to twice the number minus six.
Exercise 11.6.43
Thirteen less than some number is equal to three times the number added to eight.
Exercise 11.6.44 (Solution on p. 688.)
When twelve is subtracted from ve times some number, the result is two less than the original
number.
Exercise 11.6.45
When one is subtracted from three times a number, the result is eight less than six times the
original number.
Exercise 11.6.46 (Solution on p. 688.)
When a number is subtracted from six, the result is four more than the original number.
Exercise 11.6.47
When a number is subtracted from twenty-four, the result is six less than twice the number.
Exercise 11.6.48 (Solution on p. 688.)
A number is subtracted from nine. This result is then increased by one. The result is eight more
than three times the number.
Exercise 11.6.49
Five times a number is increased by two. This result is then decreased by three times the number.
The result is three more than three times the number.
Exercise 11.6.50 (Solution on p. 688.)
Twice a number is decreased by seven. This result is decreased by four times the number. The
result is negative the original number, minus six.
Exercise 11.6.51
Fifteen times a number is decreased by fteen. This result is then increased by two times the
number. The result is negative ve times the original number minus the opposite of ten.
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