SOLUTION: if twice a number is increase by 7,the results is the same as if 5 times the number is diminished by 2, find the number.
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Question 357705: if twice a number is increase by 7,the results is the same as if 5 times the number is diminished by 2, find the number.
Answer by robertb(5830) (Show Source): You can put this solution on YOUR website!
2n+7 = 5n - 2.
9 = 5n-2n,
9 = 3n,
n = 3.
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