andrew275
andrew275
18-11-2020
Mathematics
contestada
Solve for z.
-5z + 1 = -7z + 9
Respuesta :
smauel
smauel
18-11-2020
Answer:
z=4
Step-by-step explanation:
-5z+1=-7z+9
-5z+7z+1=9
2z+1-1=9-1
2z=8
2z/2=8/2
z=4
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