SOLUTION: Seven decreased by three times a number is forty

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Question 1095096: Seven decreased by three times a number is forty
Answer by algebrahouse.com(1659) About Me  (Show Source):
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x = the number

7 - 3x = 40 {seven decreased by three times a number is 40}
-3x = 33 {subtracted 7 from each side}
x = -11 {divided each side by -3}

the number is -11

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