Table of Contents
How do we express 3 less than a number?
A number is equal to the sum of twice the number and negative three. Look Out: be very careful with “less than.” Three less than a number is translated as “x – 3.” The reverse of that, “3 – x,” would be a number less than 3.
What is twice the number of 3?
Thus “twice a number x” can be written symbolically as 2x. And we can see that, indeed, twice the number 3 is 6 as required.
What is less than twice in math?
“Less than” means subtraction, whereas “more than” means addition. Saying “twice a number” means that you are multiplying that number by 2.
What is 4 less than twice a number?
When they are saying “4 less than twice a number”, that’s the same as saying “twice a number minus 4”. When you are asking for less than something, that indicates subtraction! We’ll abbreviate number to n .
How do you write 5 less than 3 times a number?
3 times a number can be written as 3x. Five less than 3x means you must subtract 5 from 3x.
What is 1/3 of a number?
Thirds are calculated by dividing by 3. For example: One third of 24 =1/3 of 24 = 24/3 = 8. One third of 33 =1/3 of 33 = 33/3 = 11.
How do you write twice a number divided by 6 is 42?
1 Expert Answer
- twice a number: 2x.
- divided by 6: 2x/6.
- is 42: = 42.
What does 2 times mean in math?
Two times as many. Example: 8 is twice 4. Or happening two times.
What does 3 less than a number mean?
The expression “less than” means substriction, so “three less than a number x ” is x−3. Tony B. Oct 3, 2016. a number subtract 3 → a number – 3.
How do you say twice less?
One way would be to multiply a number by the extra number of instances then add or subtract the product to/from the number… Twice more = a + (1×a), twice less = a – (1×a), 126 times less = a – (125xa). A better solution would be to speak proper English.
What is 4 less than 3 times a number?
3x – 4
1 Expert Answer four less than three times a number is 3x – 4.
How to write three less than twice a number?
Three less than twice a number: It implies that there is a number, and we have to represent 3 is subtracted from double of that number in an algebraic way. Let the number be x. Double (or twice) of the number is 2x. Now subtracting 3 from 2x is written as 2x — 3. Therefore our algebraic expression is 2x — 3.
What does 9 less than three times a number mean?
“9 less than” means you are subtracting 9 from something. In the case the ‘something’ is three times an unknown number.
What is the sum of twice a number and 3?
The sum (use plus symbol) of twice a number and 3 can be written as 2x+3. Answer: Let variable y be the unknown number. So triple a number means 3y. The difference (use minus symbol) of triple a number and 5 should be written as 3y – 5.
Which is the same as twice a number?
Twice a number 2 is the same as 2x. Depending on what number you plug into x you can have any number come up. 2x or 2 (4) = 8. There is an infinite amount of numbers that are larger.