sarahortega459
02.09.2021 •
Mathematics
.In which step below does a mistake first appear in
simplifying the expression
0.5(-40a + 20) – 8(a + 6) + 24(a - 12)?
Step 1: -20a + 10 - 8(a + 6) + 24(a - 12)
Step 2: -20a + 10 - 80 - 48 + 24(a - 12)
Step 3: -20a + 10 - 80 - 48 + 24a + 288
Step 4:-4a + 250
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