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erastovalidia [21]
3 years ago
15

Z + 81 = 9z -7 help solve

Mathematics
2 answers:
romanna [79]3 years ago
6 0
Z + 81 = 9z - 7
-9z         -9z

-8z + 81 = -7
      -81     -81

-8z  = -88

z = 11
Ede4ka [16]3 years ago
5 0
8z-7=81
8z=88
z=11
Have a good day!
:0)
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