Answer:
Please check the explanation.
Step-by-step explanation:
Given
The expression is given by
5x + 7 + 2x
To determine
Generate Equivalent Expressions
Let us simplify the expression
5x + 7 + 2x
Group like terms
5x + 7 + 2x = 5x + 2x + 7
Add similar elemnents: 5x+2x=7x
= 7x + 7
Thus, the equivalent Expression of 5x + 7 + 2x is: 7x + 7
The Associative property of addition defines that the sum of three or more numbers does not change regardless of the order of the numbers.
Some other Equivalent Expressions using the Associative property of addition: