starburst2005
12.10.2019 •
Mathematics
Jamal uses the steps below to solve the equation 6x – 4 = 8.
step 1: 6x – 4 + 4 = 8 + 4
step 2: 6x + 0 = 12
step 3: 6x = 12
step 4: =
step 5: 1x = 2
step 6: x = 2
which property justifies step 3 of his work?
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Ответ:
"if equals are divided by equals, the results are equal." This is a corollary of the distributive property for multiplication.
Ответ: