The property allows you to regroup terms using parentheses when adding or multiplying

  "associative"

Step-by-step explanation:

The associative property lets you change the grouping of terms of a sum or of a product.

___

For example, you can rewrite

  (5 + 4·3) -2

as

  5 + (4·3 -2)

but the associative property does NOT allow you to change the grouping to ...

  (5 +4)·3 -2 . . . . . not a valid rewrite

20%

step-by-step explanation:

x = 2

step-by-step explanation:

if sr parallel to ba then the sides bc and ac are in proportion, that is

= ← substitute values

= ( cross- multiply )

27x = 6(4x + 1)

27x = 24x + 6 ( subtract 24x from both sides )

3x = 6 ( divide both sides by 3 )

x = 2