Half of 18 is 9 and 5+4 = 9 so the number is 5
If the sum of a number and 4 is (X + 4) then twice that is 2(X + 4) which is 2X + 8
Write the following as an algebraic expression using x as the variable: The sum of a number and -8
Twice the sum of 'x' and 'y' . . . 2(x+y) The sum of twice 'x' and 'y' . . . (2x+y)
The additive inverse of 18 is -18. The additive inverse of any number is the opposite of that number, such that the sum of the original number and the additive inverse is zero.
18. 1+8=9 9x2=18
2x+4y
The sum of four times a number and twice the same number can be represented mathematically as (4x + 2x), where (x) is the number. Combining the terms, this simplifies to (6x). Therefore, the result is six times the number.
The difference between a number x and twice y is equal to fifteen.
4 + 2*n ≥ 20
To write twice the sum of a number and 600, you first express the number as a variable, such as ( x ). The sum of the number and 600 can be written as ( x + 600 ). Therefore, twice this sum is represented as ( 2(x + 600) ).
If the number is n, then twice the number is 2n and the sum of the two is n + 2n = 3n.
4*m/5 + 18
4m/5 + 18
118
Eighteen
970.
This is an algebraic expression. It can be written as 3(2x + 4)