Question

How do you solve `-7+ b = - 8`?

Answer 1

See a solution process below:

Explanation:

Add `color(red)(7)` to each side of the equation to solve for `b` while keeping the equation balanced:

`-7 + color(red)(7) + b = -8 + color(red)(7)`

`0 + b = -1`

`b = -1`