emilyearlywine
emilyearlywine emilyearlywine
  • 24-08-2016
  • Mathematics
contestada

-8= -2(z+7) How do you sovle this equation

Respuesta :

Аноним Аноним
  • 24-08-2016
[tex]-8= -2(z+7) [/tex]                  [tex]Equation [/tex]

[tex] \dfrac{-8}{-2} =z+7 [/tex]      [tex]Divide \ both \ sides \ by \ -2[/tex]
 
[tex] \dfrac{8}{2} =z+7 [/tex]  

[tex]4=z+7 [/tex] 

[tex]4-7=z[/tex]            [tex]Subtract \ 7 \ from \ both \ sides[/tex]

[tex]z=-3[/tex]              [tex]Solution [/tex]
Answer Link
halliec01 halliec01
  • 24-08-2016
-8=-2z-14
+2z-8=-14
2z=-14+8
2z=-6
2z\2z=-6/2z
z=3
Answer Link

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