Solve for n

1/2(2n+4)=5

n = 3

Step-by-step explanation:

Step  1  :

           1

Simplify   —

           2

Equation at the end of step  1  :

  1                

 (— • (2n + 4)) -  5  = 0

  2                

Step  2  :

Step  3  :

Pulling out like terms :

3.1     Pull out like factors :

  2n + 4  =   2 • (n + 2)

Equation at the end of step  3  :

 (n + 2) -  5  = 0

Step  4  :

Equation at the end of step  4  :

 n - 3  = 0

Step  5  :

Solving a Single Variable Equation :

5.1      Solve  :    n-3 = 0

Add  3  to both sides of the equation :

                     n = 3

One solution was found :

                  n = 3

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take it another

answer

d. 10

explanation

the distance from point y to wx is the height of the triangle.

using pythagoras theorem,

group similar terms to get,

this implies that,

take positive square root of both sides to get,

this implies that,