02-11-2015
Mathematics

contestada

solve 7(z +2) - 3z =44

Respuesta :

davidyangnyc davidyangnyc

02-11-2015

distribute 7:
7z+14-3z=44
4z+14=44
4z=30
z=15/2

Answer Link

02-11-2015

7(z +2) - 3z =44
Distribute the 7. Distributive property: a(b+c) = ab + ac

7z + 14 - 3z = 44
Simplify like terms.

4z + 14 = 44
Subtract 14 to both sides

4z = 30
Divide by 4 on both sides.

z = 7.5

Answer Link

Otras preguntas

Marika and Freddy sold 70 homes for Ron Realty. If Marika sold 2.5 times as many homes as Freddy, how many homes did each sell?

Find Domain of the functionsquare root of (x-8)/x(x-9)

Find Domain of the functionsquare root of (x-8)/x(x-9)

(10y^3+20y^2+55y)/5y

Marika and Freddy sold 70 homes for Ron Realty. If Marika sold 2.5 times as many homes as Freddy, how many homes did each sell?

Marika and Freddy sold 70 homes for Ron Realty. If Marika sold 2.5 times as many homes as Freddy, how many homes did each sell?

Historians of china have traditionally dated the beginning of Chinese civilization to the founding of the what??

Marika and Freddy sold 70 homes for Ron Realty. If Marika sold 2.5 times as many homes as Freddy, how many homes did each sell?

what is the answer for (20,8),(9,16) ?

Data are drawn from a symmetric and bell shaped distribution with a mean of 120 and a standard deviation of 5. There are 900 observations in the data set. What