Indicate which property is illustrated in Step 3.

Step 1 4x + 2 + 8x + 2 = (4x + 2) + (8x + 2)
Step 2 = 4x + (2 + 8x) + 2
Step 3 = 4x + (8x + 2) + 2
Step 4 = (4x + 8x) + (2 + 2)
Step 5 = (4 + 8)x + (2 + 2)
Step 6 = 12x + 4

commutative
distributive
arithmetic fact
associative

Question

Indicate which property is illustrated in Step 3.

Step 1	4x + 2 + 8x + 2	=	(4x + 2) + (8x + 2)
Step 2		=	4x + (2 + 8x) + 2
Step 3		=	4x + (8x + 2) + 2
Step 4		=	(4x + 8x) + (2 + 2)
Step 5		=	(4 + 8)x + (2 + 2)
Step 6		=	12x + 4

    commutative
    distributive
    arithmetic fact
    associative

anonymous · Answer

@jigglypuff314

jigglypuff314 · Answer

commutative: a + b + c = a + c +b
but also includes: a + (b + c) = a + (c + b)

anonymous · Answer

would this still be commutative or arithmetic fact @jigglypuff314 becuase im confused about this one abit

anonymous · Answer

ok i think im understanding it a bit more