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Tom [10]
3 years ago
11

What is the value of n when 7n – 18 = 5n + 6?

Mathematics
2 answers:
forsale [732]3 years ago
4 0

Answer:

n=13

Step-by-step explanation:

7n-18=5n+6   move variables to 1 side

-5           -5    (in this case subtract 5 on both sides of the equal sign)

2n-18=  6        now you want to get the variable alone

   +18   +18     (in this case add 18 on both sides of the equal sign)

2n=26             now you want to get the variable (N) by itself

/2    /2            ( so divide 2 on both sides of the equal sign )

n=13  

kirill [66]3 years ago
3 0

Answer:

n=12

Step-by-step explanation:

7n-18 =5n+6

+18 to both sides

7n=5n+24

-5n from both sides

2n=24

divide by 2

n=12

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The solution to the system of inequalities given is: \frac{4}{3} \leq y \leq 4

<h3>What is the solutions to a system of inequalities?</h3>

The solution is the set of values that respect all conditions of the system.

The first condition is:

3y - 13 \geq -9

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The second condition is:

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The intersection of the conditions, which is the solution to the inequality, is:

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More can be learned about a system of inequalities at brainly.com/question/3656398

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