tonykinney2009 tonykinney2009

02-03-2019
Mathematics

contestada

solve fot z show all your work. 7z - 18 =2z+ 18

Respuesta :

wegnerkolmp2741o wegnerkolmp2741o

02-03-2019

Answer:

z = 36/5

Step-by-step explanation:

7z - 18 =2z+ 18

Subtract 2z from each side

7z-2z- 18 =2z-2z+ 18

5z - 18 = 18

Add 18 to each side

5z-18+18 = 18+18

5z = 36

Divide by 5

5z/5 = 36/5

z = 36/5

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