What is a simplified algebraic expression for the difference of nine times a number and five more than two times the number ?

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What is a simplified algebraic expression for the difference of nine times a number and five more than two times the number ?

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Answer 1 · 2017-08-13T21:22:51

$7 x - 5$ $7x-5$

Explanation:

If the number is $x$ $x$ , then nine times the number is $9 x$ $9x$ , five more than two times the number is $(2 x + 5)$ $(2x+5)$ and the difference is:

$9 x - (2 x + 5) = 9 x - 2 x - 5 = (9 - 2) x - 5 = 7 x - 5$ $9x-(2x+5) = 9x-2x-5 = (9-2)x-5 = 7x-5$

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What is a simplified algebraic expression for the difference of nine times a number and five more than two times the number ?

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