Question

Resolva as equações: a) |x - 5| = 3 b) |3x - 1| = 5

Answer 1

a) |x -5|=3

x-5=3 x-5=-3
x=3+5 x=-3+5
x=8 x=2

b)|3x-1|=5

3x-1=5 3x-1=-5
3x=5+1 3x=-5+1
3x=6 3x=-4
x=6/3 x=-4/3
x=3