What is the sum of three times a number and eight?
1 Expert Answer 3) The sum of “3X” (3 times a number) and 8 is 26.
How do you write 9 times the difference of 8 and a number?
Three times the difference of a number and one. 13. Eight more than a twice a number. 2(x – 7) 15.
What is the mathematical expression of five more than three times a number?
Five more than three times a number is the same as nine less than seven times a number. Now you write the equation out as follows: 5+3x=7x-9.
How do we express three less than a number?
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.
How do you find the sum and difference of two numbers?
Let a and b be the two original numbers. The sum is a+b. The difference is a-b. Adding the sum to the difference is (a+b) + (a-b) which is a + b + a – b = 2a.
What number is twice?
Two times
Two times as many. Or happening two times.
What is different in math?
Difference is the result of subtracting one number from another. So, difference is what is left of one number when subtracted from another. In a subtraction equation, there are three parts: The minuend (the number being subtracted from)
How do you find the difference in math?
To find the difference between two numbers, subtract the number with the smallest value from the number with the largest value. The product of this sum is the difference between the two numbers.
How do you write 5 more than 3 times?
Explanation: since you have W and you are multiplying it by 3, that gives you 3w. to get 5 more than 3w, you would add the 5, ergo 3w + 5.
How do you write 3 less than twice a number?
1 Expert Answer If n is your number, twice a number would be 2n. Three less than that is 2n – 3.
What does 3 less than twice mean?
Three less than means we have to subtract 3. Twice a number means 2x. So we have to subtract 3 from twice the number means 2x gives the number 13 (as given detail in question) There for. >>2x-3=13.