Question

como resolver a equaçao -3x+1=1

Answer 1

Basta isolar o x.
-3x +1 = 1
-3x = 1 -1
-3x = 0
x = 0/-3
x = 0

Answer 2

-3x+1=1  x(-1)
3x-1=-1
3x=-1+1
3x=0
x=0

S={0}