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3 years ago

Which algebraic expression is equivalent to the expression below? (3x - 3) + 3 A. 3x + 6 B. 3x C. 3x - 6 D. 9x

Mathematics

2 answers:

oksian1 [2.3K]3 years ago

8 0

Answer:

b. 3x

Step-by-step explanation:

(3x - 3) + 3 = 3x - 3 + 3 = 3x

aksik [14]3 years ago

7 0

Answer:

Step-by-step explanation:

(3x - 3) + 3 = (3x + -3) + 3

<em>use the Associative Property of Addition: (a + b) + c = a + (b + c)</em>

= 3x + (-3 + 3)

<em>use Inverse Property of Addition: a + (-a) = (-a) + a = 0</em>

= 3x + 0

<em>use Identity Property of Addition: a + 0 = 0 + a = a</em>

= 3x

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