Answer
Thats how you do it really hope it helps
Explanation:
y=10x−1
Swap sides so that all variable terms are on the left hand side.
10x−1=y
Add 1 to both sides.
10x=y+1
Divide both sides by 10.
10
10x
=
10
y+1
Dividing by 10 undoes the multiplication by 10.
x=
10
y+1
SOLVE FOR Y
y=10x−1