Question

resolva as equações a) x-1=0
b)4x-8=3x+x c)3.(x+2)+5=x+12​

Answer 1

Resposta:

a)x-1=0

  x=0+1

  x=1

b)4x-8=3x+x

  4x-4x=8

  x=8

c)3.(x+2)+5=x+12

 3x+6+5=x+12

 3x-x=12-6-5

 2x=1

 x=1/2

 x=0,5