Question

what is y+21=-3?

Answer 1

\(\large\color{black}{y+21=-3 }\)
subtract 21 from both sides,
\(\large\color{black}{y+21\color{red}{-21}=-3 \color{red}{-21}}\)

the twenty ones one the left will just cancel, and the right side will be equal to?

Answer 2

-18?

Answer 3

Thx! Medal+fan :)

Answer 4

no, your 3 is also negative, and just like
you mean
\(\large\color{black}{3+21=24}\)
So, is
\(\large\color{black}{-3-21=}\) to what?

Answer 5

oh -24

Answer 6

Yes, there you ! ****9*(