How do you do 4x+9=2x-6

Step-by-step explanation:

to answer these types of questions, we want to isolate the variable to one side of the equation

x = -7.5 :)

Step-by-step explanation:

4x + 9 = 2x - 6

-2x         -2x

  2x + 9 =  -6

        -9      -9

     2x = -15

     ---    

     2       2

x = -7.5  

c

step-by-step explanation:

it would be see because your formula is f(x)=6x, so 6 times 1 is 6 and you go on and the best answer is c.

to determine the unit cost your would divide the total cost by the number sold.

7 bagels for $4.41       $4.41/7 = $.63 each at fresh side

5 bagels for $3.60         $3.60/5 = $.72 each at value mart