How do you convert $x + y = 3$ $x+y=3$ to $y = m x + b$ $y=mx+b$ ?

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How do you convert $x + y = 3$ $x+y=3$ to $y = m x + b$ $y=mx+b$ ?

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Answer 1 · 2015-04-09T19:19:22

If you subtract $x$ $x$ from both sides of $x + y = 3$ $x+y=3$
you get
$y = 3 - x$ $y = 3-x$
or by rearranging the right side
$y = (- 1) x + 3$ $y = (-1)x + 3$
with $m = (- 1)$ $m=(-1)$ and $b = 3$ $b=3$

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How do you convert $x + y = 3$ $x+y=3$ to $y = m x + b$ $y=mx+b$ ?

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