Question

resolva as equações
a)X/2=5/2
b)2x/3=1/2
c)3x/2=1/5
d)X/3=-2

Answer 1

a)X=5 ==> 2x = 2.5 ==> 2x = 10 ==> x = 5
  2   2

a)2X=1 ==> 2.2x = 1.3 ==> 4x = 3 ==> x = 3/5
   3   2
c)3X=1 ==> 3.5x = 1.2 ==> 15x = 2 ==> x = 1/15
   2   5

d) X=-2 ==> 1.x = -2.3 ==> x = - 6
    3   1