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Mathematics 7 Online
OpenStudy (anonymous):

Indicate which property is illustrated in Step 3. Step 1 9x + 7 + 11x + 8 = (9x + 7) + (11x + 8) Step 2 = 9x + (7 + 11x) + 8 Step 3 = 9x + (11x + 7) + 8 Step 4 = (9x + 11x) + (7 + 8) Step 5 = (9 + 11)x + (7 + 8) Step 6 = 20x + 15

OpenStudy (anonymous):

@campbell_st @Joel_the_boss

OpenStudy (abb0t):

addition

JoelTheBoss (joel_the_boss):

King of swaggie strikes again @abb0t

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