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Twice the difference of a number and 4 is less than or equal to 17
WebLets call the second number x so we have: second number = x Now we are told the first number is 2 less than twice the second number so we have: first number = 2x - 2 Next we know that that the sum of these two numbers is 61 So: first number plus second number equals 61 (2x-2) + x = 61 Now we have an equation that we can use to solve for x Lets ... WebAnswer: Let variable x x be the unknown number. So twice a number means 2x 2x. The sum (use plus symbol) of twice a number and 3 3 can be written as 2x+3 2x + 3. Example 2: … homepage basic login
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WebTo be clear, "four less than (the unknown)" in English means "(the unknown), less four" in algebra. If you're not sure of this, plug numbers in. If you get four dollars less an hour than (an unknown worker), you wouldn't subtract that worker's pay from 4; instead, you'd subtract 4 from that worker's pay: p − 4. Use this same order in your ... Web5 Apr 2024 · Twice a number is 2x (or 2n or 2z…) 3 less than 2x would be -3 So 2x -3 =10 (or 2n -3 =10) 4 Alan Boustany MA in Pure Mathematics and Theoretical Physics Trinity College Cambridge (graduated 1980) Upvoted by John Christopher Yeadon, MSc MMath Pure Mathematics The Open University and Melchior Grutzmann Web20 Feb 2013 · Twice a number is decreased by seven. This result is decreased by four times the number. The result is negative the original number, minus six. EXERCISE 8 When two is subtracted from some number, the result is ten. EXERCISE 9 When four is subtracted from some number, the result is thirty-one. EXERCISE 10 hinode ryorishu