Question

-5y-9=-(y-1)

Answer 1

what are you being asked to do here? @elizalope

Answer 2

solving the equations

Answer 3

-5y-9=-y+1
-5y+y=1+9
-4y=10
y=-10/4=-5/2=-2.5

Answer 4

@elizalope

Answer 5

-5y-9=-y+1
Add 9 both sides

-5y-9=-y+1
9 9
==========
-5y=-y+10

Bring -y left side
-5y+y=10
-4y=10
Divide 10 with -4
y=10/-4
y=-5/2

Answer 6

@gorv Thanks

Answer 7

@elizalope alwys welcome