Question

resolva as equações :

a) 2x-4-3+3x=20-x+4

b) 16x-8=30x-12-10

Answer 1

a)2X-4-3+3X=20-X+4
2X+3X+X=20+4+4+3
          6X=31
          X=31/6

b)16X-8=30X-12-10
16X-30X=-12-10+8
         -14X=-14
          14X=14
         X=14/14
            X=1