cjs39
29.07.2019 •
Mathematics
Solve the equation and show all work show 2n-3=9
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Ответ:
If you are solving for n:
Isolate it by doing the opposite of PEMDAS; Also, what you do to one side you do to the other (because of the equal sign)
2n - 3 = 9
2n - 3 (+3) = 9 (+3)
2n = 12
2n/2 = 12/2
n = 6
n = 6 is your answer
hope this helps
Ответ:
A
Step-by-step explanation:
The area of the large triangle is 36*24/2
minus the small triangle which is 21*14/2
so 432-147 - 286