Question

qual a resposta ?2x-4+12=3(x-4)+2

Answer 1

2x-4+12=3x-12+2
-3x+2x=4-12-12+2
-x=-18×(-1)
x=18

Answer 2

2x-4+12=3(x-4)+2
2x-4+12= 3x-12+2
2x-3x= -12+2+4-12
-x= -18. (-1)
x= 18