Respuesta :

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:

  • 5x + 7 + 2x = 5x + 2x + 7
  • 5x + 7 + 2x = 7 + 5x + 2x
  • 5x + 7 + 2x = 7 + 2x + 5x