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dybincka [34]
3 years ago
7

What equals to 2x-18

Mathematics
2 answers:
MatroZZZ [7]3 years ago
5 0

Answer:

x=9

Step-by-step explanation:

That is because 2x=18

so 2x÷2=18÷2

x=9

Free_Kalibri [48]3 years ago
3 0

2x+18+1-1 works if that's all you want

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Answer:

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Explanation:

Given the sequence:

t\mleft(n\mright)=-3n-1

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\begin{gathered} t\mleft(1\mright)=-3(1)-1=-3-1=-4 \\ t(2)=-3(2)-1=-6-1=-7 \\ t(3)=-3(3)-1=-9-1=-10 \\ t(4)=-3(4)-1=-12-1=-13 \end{gathered}

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(b)t(15)

\begin{gathered} t(15)=-3(15)-1 \\ =-45-1 \\ =-46 \end{gathered}

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