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1/5 . (15x - 10)- 2/5 = 2 . (x-1/2)

 x = 7/5

Step-by-step explanation:

Step 1 - Solve the brackets first by opening it.

15x/5 - 10/5 - 2/5 = 2x - 2/2

Step 2 - Bring x term to one side and constant to the other side.

15x/5 - 2x = -2/2 + 10/5 + 2/5 (Sign changes when it goes to other side)

Step 3 - Now Solve it.

3x - 2x = -1 + 2 + 2/5 (15 was divisible by 5 on 3 so we get 3x.)

x = ( -5 + 10 + 2 )/5

x = ( -5 + 12 )/5

x = 7/5

the correct answer is b. negative exponential growth.

step-by-step explanation:

you can tell it's an exponential function because it decreases rapidly then levels out and never touches the x-axis.

it is negative because the y-axis decreases as the x-axis increases.

therefore it is a negative exponential growth graph.

hope i !

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step-by-step explanation: