SOLUTION: THEPRODUCT OF A NUMBER AND 9 DECREASED BY 12 EQUALS SEVEN TIMES THE NUMBER FIND THE NUMBER
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Question 699105: THEPRODUCT OF A NUMBER AND 9 DECREASED BY 12 EQUALS SEVEN TIMES THE NUMBER FIND THE NUMBER
Answer by ReadingBoosters(3246) (Show Source): You can put this solution on YOUR website!
9n - 12 = 7n
...
group like terms and isolate the variable
9n - 7n = 12
2n = 12
divide both sides by 2
...
check
9*6 = 54 - 12 = 42
7*6 = 42
CORRECT!!
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