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GLAUKOODYON
Respondido

1) Descubra o n real x, cuja imagem pela função y = 2-5x e:

a) 10=

b) -3=​

Resposta :

ROROHOULON

A)

[tex]\displaystyle y = 2-5x\\10 = 2-5x\\-5x=10-2\\-5x=8\\\\x=-\frac{8}{5}[/tex]

B)

[tex]\displaystyle y = 2-5x\\-3 = 2-5x\\-5x=-3-2\\-5x=-5\\\\x=\frac{-5}{-5}\\\\x=1[/tex]

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