Question

Resolva as equações:

A) x/6 - x-3/4 = 2x/3 - 1

B) x + x/3 = 2x -10

Answer 1

A) 2x-12x-9/12 = 2x-3/3
    -10x-9/12 = 2x-3/3
   -30x-27 = 24x-36
  -30x-24x = -36+27
 -54x = -9 (-1)
x= 9/54
x= 1/6

B) 3x+x/3 = 2x-10
  3x+x = 6x-30
 3x+x-6x = 30
 4x-6x = 30
 -2x=30 
 x=-15