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What is an equivalent expression to 9(2a plus 1)
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What is an equivalent expression to 9(2a plus 1)

User Manish Mehra
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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

User Laurent Pireyn
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