Translate the sentence into an equation.
Nine times the sum of a number and 5 is 7
Use the variable c for the unknown number.
9(c + 5) = 7
The sentence "Nine times the sum of a number and 5 is 7" can be translated into the equation:
9(c + 5) = 7
To translate the sentence into an equation, we can follow these steps:
1. Identify the unknown number: In this case, the unknown number is represented by the variable c.
2. Identify the operations described in the sentence: The sentence states that we need to find nine times the sum of the unknown number and 5.
3. Write an equation:
- The sum of the unknown number and 5 is (c + 5).
- Nine times the sum is 9(c + 5).
- Lastly, it is stated that this expression is equal to 7, so we can set up the equation: 9(c + 5) = 7.
Therefore, the equation that represents the given sentence is:
9(c + 5) = 7