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-7
Brandy Mayert
Wiki User
∙ 15y agoSince it's a negative number(-15) minus a positive number (8), it's like adding two negative numbers (-15) and (-8). To do this, add them up similar to as if they were positive. (15+8) and then tack on a negative sign. Thus, the answer is -23.
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Which mathematical expression represents 15 decreased by a number?
15-X
What is the mathematical expression for the quotient of 56 and 8 decreased by 8?
(56/8) -8
Translate the sum of 6 and the product of 8 and x into a mathematical expression?
NO
What is 8 plus x 40?
8 + x 40 is not a valid mathematical expression.
What is the mathematical expression of eight more than seven times nine?
8+(7x9)
What mathematical expression consists of constants variables and operations?
It is a more complicated mathematical expression.
Write the following in mathematical expression the sum of a number and ten?
Write the following as an algebraic expression using x as the variable: The sum of a number and -8
What is the equivalent expression of (8 x 15) x 7?
It is: 7*(8*15) = 840
What is the Evaluate the expression of 8 plus 7?
It is: 8+7 = 15
Can a mathematical expression have no variables?
Yes, a mathematical expression can have no variables, but such an expression is usually not very useful. An example of a valid expression without variables is: 1+1=2
What does express mean in mathematical terms?
It means "a Mathematical Expression".
Average speed can be represented by the mathematical expression?
Average speed can be represented by the mathematical expression "distance x time."
