ERILAINEMARIA527GO
Respondido

resolva
C) 5X-120=880
D) 2X-50-90
E)4X+90=70
F)70X+900=900​

Resposta :

KAMILAINGRIDEGO

Resposta:

c)5x=880+120

5x=1000

x=1000/5

x=200

e)4x=70-90

4x= -20

x= -20/4

x= -5

f)70x=900-900

70x=0

x=0/70

x=0

JOVEMLENDÁRIOGO

[tex]c)\\5x-120=880\\5x=880+120\\5x=1000\\x=1000/5\\x=200\\\\d)\\2x-90-50=\\2x=90+50\\2x=140\\x=140/2\\x=70\\\\e)\\4x+90=70\\4x=70-90\\4x=-20\\x=-20/4\\x=-5\\\\f)\\70x+900=900\\70x=900-900\\x=0/7\\\\x=0 \\ou\\erro \ de \ formula \[/tex]

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