How do you put an equation into y=mx+b form?

I need to make this equation:

x+y=0

into y=mx+b form. Thanks for help.

in Algebra 1 Answers by

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1 Answer

x + y = 0

y = -x

That is as far as you can go.  This is the same as the y = mx + b.form only you dont have a y-intercept.

the m = -1
by Level 3 User (2.3k points)

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