Respuesta :

x subtracted from y means y-x

2w+4 subtracted from 3w+6= (3w+6)-(2w+4)
don't forgett to diestribute invisible -1

-(2w+4)=-1(2w+4)=-2w-4

so
3w+6-2w-4=
3w-2w+6-4=
1w+2=
w+2
ok
add 4 and 6 to get 10
add 2w and 3w to get 5w

5w + 10 is your new equation

5w + 10 =

divide 5 on both sides 

w = 2