SOLUTION: The opposite of a number is tripled then decreased by 7. The result is 3 greater than twice the number. What is the number?
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Question 286943: The opposite of a number is tripled then decreased by 7. The result is 3 greater than twice the number. What is the number?
Answer by JBarnum(2146) (Show Source): You can put this solution on YOUR website!
3(-n)-7 means: The opposite of a number is tripled then decreased by 7.
=2n+3 means: The result is 3 greater than twice the number. What is the number?
solve for n, use PEMDAS.
add 3n
subtract 3
____________
check
correct
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