Respuesta:
z = -4
Explicación paso a paso:
4(5z - 10) = 45z + 60
20z - 40 = 45z + 60
20z = 45z + 60 + 40
20z = 45z + 100
20z - 45z = 100
-25z = 100
z = 100/-25
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Respuesta:
z = -4
Explicación paso a paso:
4(5z - 10) = 45z + 60
20z - 40 = 45z + 60
20z = 45z + 60 + 40
20z = 45z + 100
20z - 45z = 100
-25z = 100
z = 100/-25
z = -4