Question

equacao de primeiro grauuuu
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Answer 1

Resposta:

A)

X-7 = 0

X = 7+0

X = 7

B)

X- 3/8

X =  3/8 + 0

X = 3/8

C) -2x = -16

X = 2/-16

X = -8

D)  

X= -5/3

E)

X = 5

F) x = 1/3