Answer: 2
-7 - (-9) could be visualized as -7 + 9
-7 + 9 is 2
They would have played 20 games altogether
Subtract 9 from both sides
Answer:
y=6x+11
Step-by-step explanation:
Given
An algebraic expression is the difference between seven times a number and three times that number.
To find:
The algebraic expression.
Solution:
Let x be the unknown number.
Multiplication is used for times and subtraction is used for difference.
7 times of a number = 7x
3 times of that number = 3x
The difference between seven times a number and three times that number is


Therefore, the algebraic expression for the given statement is 7x-3x and its simplified form is 4x.