Respuesta :

rkssmaths

Step-by-step explanation:

1.x+9=27

x=27-9

x=18

check

18+9=27

2. -4x-6=30

-4x=30+6

-4x=36

-4x/-4=36/-4

x= -9

check

-4(-9)=36

3.10+x/2=1

x/2=12-10

x/2=2

x/2×2=2×2

x=4

check

10+4/2

10+2=12

hope it's helpful

pinkirajbanshi1990

Answer:

x +9= 27

x=27-9

x=18

2. -4x-6=30

-4x=30+6

-4x=36

x=36+4

x=40

I hope l will help you....

Thank you......