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I need help with 17 pls I need an answer in explanation

I need help with 17 pls I need an answer in explanation-example-1
User Ehbello
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1 Answer

5 votes

Step 1

2n = 70

divide both sides by 2


\begin{gathered} (2n)/(2)=(70)/(2) \\ n\text{ = 35} \end{gathered}

Step 2

Make a conclusion based on step 1

If n = 3.5

Then substituting for n = 3.5 in the equation


\begin{gathered} 2(3.5)\text{ =7} \\ 7\text{ is not equal to 70} \end{gathered}

Therefore n = 3.5 is not a solution of the equation 2n = 70

User James Sun
by
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