How do you write 9 more than a number?
How do you write 9 more than a number?
Nine more than a number is equal to the difference of a number and six. Whenever we see “a number,” let’s write that as the variable n. “Nine more than a number” is pretty simple to represent mathematically. We’ll write that as 9+n.
What is 9 increased by a number?
Algebraic Expressions With Example Problems and Interactive Exercises
| Phrase | Expression |
|---|---|
| nine increased by a number x | 9 + x |
| fourteen decreased by a number p | 14 – p |
| seven less than a number t | t – 7 |
| the product of 9 and a number n | 9 · n or 9n |
How would you write the expression 9 less than a number?
“9 less than” means you are subtracting 9 from something.
- “9 less than 12 is 3” would be written as 12−9=3.
- In the case the ‘something’ is three times an unknown number. Call the number x.
- Three times the number is 3×x=3x.
- “9 less than this” is written as 3x−9.
What is two more than a number?
Explanation: The more in “2 more than a number” indicates addition. As we are not given a specific number, we replace it with a variable (such as x ). Thus “2 more than a number” can be written as x+2 .
What does decreased mean in math?
Make something smaller (in size or quantity).
How do you write twice a number?
Twice a quantity usually indicates to take two of the things in question; usually this indicates to multiply by 2. Thus “twice a number x” can be written symbolically as 2x.
What is five more than twice a number?
7
“Five more than twice a number is 7” is symbolized by 5 + 2x = 7. Then 5 + 2x – 7 = 7 – 7 or 2x – 2 = 0.
How do you turn an equation into a word problem?
How to Translate Word Problems Into Equations
- Step One: Highlight Important Parts of the Text.
- Step Two: Establish your variables.
- Step Three: Rewrite the Problem as an Equation.
- Step Four: Substitute.
- Step Five: Simplify and Combine Terms.
- Step Six: Divide Each Side of the Equation.
- Step Seven: Solve.
What is 3 less than twice a number?
Answer: 3 less than twice a number x is= 2x-3 hope it helps you.
Is twice a number?
Twice a quantity usually indicates to take two of the things in question; usually this indicates to multiply by 2. Thus “twice a number x” can be written symbolically as 2x. And we can see that, indeed, twice the number 3 is 6 as required.