Respuesta :

We need to isolate on the equation

[tex]8+(z\times1)=0[/tex]

since any number multiplied by one is the same, then z times 1 is z, so we can write

[tex]8+z=0[/tex]

Now, we can add -8 to both side and get

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

since 8 - 8 is zero, we have

[tex]z=-8[/tex]

then, z is equal to -8.

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