kdd46
08.07.2019 •
Mathematics
What is an equivalent expression to 9(2a plus 1)
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Ответ:
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
Ответ:
KAKA
Step-by-step explanation: