jaslynerzinghieDoo jaslynerzinghieDoo

25-11-2016
Mathematics

contestada

Which of the following is the solution to the equation 25(z + 2) = 125 ?

z = 5.5

z = 3.5

z = -2.5

z = -0.5

Respuesta :

MissPhiladelphia MissPhiladelphia

27-11-2016

To solve the equation above, we have to isolate the variable z on one side and transpose all other value to the other side. We solve as follows:

25(z + 2) = 125
1/25(25(z + 2) = 125)
z + 2 = 125/25 = 5
z + 2 - 2 = 5 - 2
z = 3

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