SOLUTION: when seven times a number is decreased by 6, the result is 57. What is the number?
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Question 674320: when seven times a number is decreased by 6, the result is 57. What is the number?
Answer by rm29924(97) (Show Source): You can put this solution on YOUR website!
Let x = a number
seven times a number is 7x
decreased by 6 means subtract 6
7x-6=57
add 6 to both sides
7x=63
divide both sides by 7 to get x alone
x=9
answer: 9
check answer:
7x-6=57
7(9)-6=57
63-6=57
57=57
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