Question

140) Resolva as equações do primeiro grau:
a) x/4 – 5 = 0
b) x/5 – 4 = 0
c) 2 + x/3 = 0
d) x/2 + 3 = 6​

Answer 1

Resposta:

A) X/4 -5= 0

X/4= 5

X= 4•5

X=20

.

B) X/5= 4

X= 5•4

X=20

.

C) X/3= -2

X= 3•(-2)

X= -6

.

D)X/2= 6-3

X/2= 3

X= 2•3

X=6