a number is added to 9 less than twice that number,if the result is 180,what is the number?
a number is added to 9 less than twice that number,if the result is 180,what is the number?
英語人氣：727 ℃時(shí)間：2020-03-20 21:07:32
優(yōu)質(zhì)解答
Let the number be x.Twice the number = 2xNine less than twice the number = Nine less than (2x) = 2x - 9A number is added to 9 less than twice the number = A number is added to (2x - 9) = x + (2x - 9)R...
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