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Isis Pennington
Mathematics
12 May, 02:40
What is an equivalent expression to 9 (2a plus 1)
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Alisha Wyatt
12 May, 02:46
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9 (2a+1) ... first you're going to distribute
18a+9 ... then you're going to get the variable A alone.
18a=-9 ... divide both sides by 18
a=-2 >> negative 2
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