SOLUTION: Three times the sum of a number and seven yields the same result as the twice the same number decreased by four.
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Question 117240
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Three times the sum of a number and seven yields the same result as the twice the same number decreased by four.
Answer by
checkley71(8403)
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3(N+7)=2N-4
3N+21=2N-4
3N-2N=-4-21
N=-25 ANSWER
PROOF
3(-25+7)=2*-25-4
3*-18=-50-4
-54=-54