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slava [35]
2 years ago
6

Please help me on thiss

Mathematics
2 answers:
Hitman42 [59]2 years ago
6 0

Answer:

-1.2

Step-by-step explanation:

3n + 5 = 1/2(11n + 16)

3n + 5 = 5.5n + 8

5 = 2.5n + 8

-3 = 2.5n

-3/2.5 = n

-1.2 = n

Hope this helps!

ludmilkaskok [199]2 years ago
5 0

Answer:

n=-1.2

Step-by-step explanation:

First, solve both sides of the equation:

3n+5=\frac{1}{2} (11n+16)

3n+5=(\frac{1}{2} )(11n)+(\frac{1}{2} )(16) (Distribute)

3n+5=\frac{11}{2} n+8

Then, subtract 11/2 n from both sides:

3n+5-\frac{11}{2}n=\frac{11}{2} n+8-\frac{11}{2} n

\frac{-5}{2}n+5=8

Now, subtract 5 from both the sides:

\frac{-5}{2} +5-5=8-5

\frac{-5}{2} n=3

For the last step, multiply both the sides by 2 / -5

(\frac{2}{-5} )*(\frac{-5}{2} )=(\frac{2}{-5} )*(3)

n=\frac{-6}{5}

Convert it to decimal:

n=-1.2

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