How do you write twice the difference of a number?

How do you write twice the difference of a number?

Difference indicates subtraction:

1. The difference of a number and 9 is (x−9)
2. Twice the difference means 2(x−9)
3. 2(x−9)=2.

What is an expression for twice a number?

Next, “twice a number” means to multiply the number by 2 giving: 2×n or 2⋅n or 2n.

What does it mean twice the difference?

subtraction
Twice means two times; Difference means subtraction.

How do you write the difference of twice a number and 7 is 9?

The difference of twice a number and 7 is 9

• Let “x” be the value of the unknown number.
• Let “2x” be twice the unknown number.
• Let 2x – 7=9; 9 is the difference between the unknown number and 7.
• Solve for x.

What is ten less the quotient of a number and 3 is 6?

the number is 12.

What is twice a number Z?

Explanation: “Quotient” means you divide a number by another. “Twice a number z” means 2z.

What is the quotient of a number and 6?

Explanation: Quotient means that you divide something by another. Let’s let n be the “number”. Therefore, “a quotient of a number and 6” refers to n6 or n÷6 .

What does five more than a number mean?

“5 more than” means add 5 onto a number. 8 is “5 more than 3”, 20 is 5 more than 15.

When do you look at a numerical expression?

When you look at a problem with numbers, you are most likely looking at a numerical expression. A numerical expression is a mathematical sentence involving only numbers and one or more operation symbols.

Are there two writing expressions that are the same?

Posted 2 years ago. Direct link to Kim Seidel’s post “”p – 6″ and “-6 + p” are equivalent and it shouldn…” “p – 6” and “-6 + p” are equivalent and it shouldn’t matter which term comes first. The commutative property of addition tells use the 2 expressions are identical.

How to calculate the result of an algebraic expression?

If you feel difficulty in solving some tough algebraic expression, this page will help you to solve the equation in a second. This simplifying algebraic expressions calculator will give you the result automatically but for manual calculation, follow the steps given below.

When to use math to describe an expression?

Similarly, when we describe an expression in words that includes a variable, we’re describing an algebraic expression (an expression with a variable). . But why? Why use math if we can describe things in words? One of the many reasons is that math is more precise and easier to work with than words are.