Question

x+2x=+3-5x=4x-19 me ajudemmmmm POR FAVOR

Answer 1

x+2x=3-5x=4x-19

x+2x+5x-4x=19-3

4x=16      x=16/4     x=4

Answer 2

                                     exemplo

2x + 3x + 9 =8(6-X)

2 x +3 x + 9 =48 -8 x

2 x +3 x + 8 x =48-9

13 x =39

x =39 -> x =3

v={3}