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the product of 8 and the sum of 10 and -7

Q: Write a variable expression the product of thirteen and the sum of a number and ten?

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It is: 13+x+7x or as 13+8x

Which phrase describes the variable expression 6.w

3n-7

4xz=16

That looks like the description of an EXPRESSION. However, an expression need not have "at least one operation"; a single number, or variable, is a perfectly valid expression.

Related questions

The expression is 9*x.

In Algebra a term is either a single number or variable, or numbers and variables multiplied together.

It is: 13+x+7x or as 13+8x

17x+(1+x)

Which phrase describes the variable expression 6.w

Assuming you call your number "n", the expression would be "14n". You can replace "n" with whatever variable you want to use.

3n-7

4xz=16

That looks like the description of an EXPRESSION. However, an expression need not have "at least one operation"; a single number, or variable, is a perfectly valid expression.

The number is called the coefficient of the variable

A variable is a letter that represents a number. An expression that contains at least one variable is called variable expression, also called algebraic expression. A variable expression has one or more terms. A term is a number, a variable, or a product of numbers and variables. For example,3(x^2)y + 2xy + x - 7 is a variable expression, where you have 4 terms.When working with variable expression, you often use the substitution principle:If a = b, then a may be replaced by b in any expression.The set of numbers that a variable may be represent is called replacement set, or domain, of the variable. To evaluate a variable expression, you replace each variable with one of its values and simplify the numerical expression that results.Example: Evaluate the expression 2x - 4y for x = 5 and y = -9.Solution:2x - 4y= 2(5) - 4(-9)= 10 + 36=46

It is the coefficient of the variable