-12=y-1
Rewrite the equation as y-1=-12.
y-1=-12
Add 1 to both sides of the equation.
y=-12+1
Write 1 as a fraction with a common denominator.
y=-12+22
Combine the numerators over the common denominator.
y=-1+22
Add -1 and 2.
y=12
y=12
The result can be shown in multiple forms.
Exact Form:
y=12
Decimal Form:
y=0.5
Solve for y -1/2=y-1