Question

Resolva as equaçoes do 1 grau 

a) 7x-28=2x+7

b) 4x-1=3x-3 

c) 6x=10=3x-5

d)18x-100=8x+200

e)3x-8=2x+10

Answer 1

a) 7x-2x=7+28
    5x=35
     x=7

b)4x-3x=-3+1
   x=-2

c)

d)18x-8=200+300
   x=30

e)x=18