Question

1x - 2x = -3 + 2 = 5 equaçao do primeiro grau

Answer 1

1x - 2x = -3 +2 -5
-1x = -8 +2
-1x = -6

Answer 2

1x-2x= -3+2-5
-1x= -6
 1x=  6
   x= 6/1
   x=6