Question

Responda as equações do 1° Grau

c)20×=40
d)2x-10=x
e)x+2=0​

Answer 1

C) 20x=40.

40/20x= 2

D)2x-10=x.

2x-x= 10

x= 10

E) x+2= 0.

x= -2-0 = 2

x= 2