Rosasusakpr8z
Rosasusakpr8z Rosasusakpr8z
  • 02-07-2016
  • Mathematics
contestada

what is the value of z in the equation 2(4z − 3 − 1) = 166 − 46? 14 15 16 17

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olemakpadu
olemakpadu olemakpadu
  • 02-07-2016
2(4z - 3 -1) = 166 - 46

2*(4z - 4)  = 120

(4z - 4) = 120/2

4z - 4  = 60    

4z = 60 + 4

4z = 64

z = 64/4

z = 16
Answer Link
DelcieRiveria DelcieRiveria
  • 31-05-2019

Answer:

The correct option is 3.

Step-by-step explanation:

The given equation is

[tex]2(4z-3-1)=166-46[/tex]

[tex]2(4z-4)=120[/tex]

Using distributive property we get,

[tex]2(4z)+2(-4)=120[/tex]

[tex]8z-8=120[/tex]

Add 8 on both the sides.

[tex]8z=120+8[/tex]

[tex]8z=128[/tex]

Divide both sides by 8.

[tex]z=16[/tex]

The value of z is 16, therefore the correct option is 3.

Answer Link

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