9(n+3)=7n-3 and steps please

Answers

Answer 1

Answer:

The value of n in the given expression is -15

What is an expression?

Expressions in math are mathematical statements that have a minimum of two terms containing numbers or variables, or both, connected by an operator in between.

An expression or mathematical expression is a finite combination of symbols that is well-formed according to rules that depend on the context.

For example : - 3y+4, 8u+8, 9i+5, a+2, a+c etc.

Given that, an expression, 9(n+3) =7n-3, we need to find the value of n

Solving for n,

9(n+3) =7n-3

Using distributive property,

9n + 27 = 7n -3

Combining like terms, by transposing,

9n - 7n = -3-27

2n = -30

Diving by 2 both sides

n = -15

Hence, the value of n in the given expression is -15

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Answer 2

Answer: 9n + 27 = 7n -3
2n + 27 = -3
2n = -30
n = -15

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Answers

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All of the following fractions are equivalent to 1/2 , except:A.2/4
B.5/10
C.4/7
D.3/6

Answers

C) 4/7 is not equal to 1/2

Answer:

I think that 4/7 is not equivalent to 1/2

Step-by-step explanation:

N Squared - N = 90
N =?

Answers

n^2 - n = 90
n^2 - n - 90 = 0
(n - 10)(n + 9) = 0

n - 10 = 0
n = 10

n + 9 = 0
n = -9

answer is : n = 10 and n = -9

Select the correct answer.
What is the value of x ?

Answers

answer = C or 35

Step By Step - add all the numbers in the triangle together then subtract that number by 180

Answer:

x=65

Step-by-step explanation:

In a triangle the three inside angles added together always equal 180. So 73+51+21+x=180

51+21+x=107

21+x=86

x=65

since there are 5,280 feet in one mile and 3.3 feet in one meter how many meters per second are equivalent to 60 miles per hour

Answers

60 miles per hour = 26.8 meters per second.

What is the product of 713 and 82

Answers

713*82=58,466
Thats all :)

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