Question

Quantos que é
-3x+1=4 ???

Answer 1

-3x+1=4 
-3x = 4-1
-3x=3
x=-1

Answer 2

-3x+1=4
-3x = 4-1
-3x = 3 (.-1)
3x = -3
x = -3/3
x = -1