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Algebra
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OpenStudy (anonymous):
Indicate which property is illustrated in Step 2. Step 1 9x + 9 + 9x + 1 = (9x + 9) + (9x + 1) Step 2 = 9x + (9 + 9x) + 1 Step 3 = 9x + (9x + 9) + 1 Step 4 = (9x + 9x) + (9 + 1) Step 5 = (9 + 9)x + (9 + 1) Step 6 = 18x + 10 associative arithmetic fact distributive commutative
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jigglypuff314 (jigglypuff314):
a change in grouping
OpenStudy (anonymous):
associative
jigglypuff314 (jigglypuff314):
yes :)
OpenStudy (anonymous):
Rad!
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