Answer:
y =
- 1
Explanation:
Given
a(y + 1) = b ( divide both sides by a )
y + 1 =
( subtract 1 from both sides )
y =
- 1
or alternatively
distribute the left side
ay + a = b ( subtract a from both sides )
ay = b - a ( divide both sides by a )
y =
Note y =
- 1 =