Respuesta :

AnimeBrainly
10) 6(x + 3) = 21
     6x + 18 = 21
6x + 18 -18 = 21 - 18
6x = 3
6x/6 = 3/6
x = 1/2


6) w- 4/9 = (-4/5) / (3/2)
w - 4/9 = -4/5 x 2/3
w - 4/9 = -12/15
w - 20/45 = -36/45
w = 20/45 - 36/45
w = -16/45


hope this helps