Work Step by Step
$z-5=-7$ $\longrightarrow$addition property $z-5+5=-7+5$ $\longrightarrow$combine like terms $z=-2$
You can help us out by revising, improving and updating this answer.Update this answer
After you claim an answer you’ll have 24 hours to send in a draft. An editor will review the submission and either publish your submission or provide feedback.