Rewrite each of the fallowing in y=mx+b form .then identify. Plz Help me 2x-y=5 X+2y=-1 X-y=7

asked Oct 9, 2021 203k views

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Rewrite each of the fallowing in y=mx+b form .then identify.

Plz Help me

2x-y=5

X+2y=-1

X-y=7

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Explanation:

$2x-y=5\\-y=5-2x\\-y=-2x+5\\(-y)/(-1) =(-2x)/(-1) +(5)/(-1) \\y=2x-5$

$x+2y=-1\\2y=-1-x\\2y=-x-1\\y=(-x-1)/(2) \\y=-(x)/(2)-(1)/(2)$

$x-y=7\\-y=7-x\\(-y)/(-1) =(7)/(-1) -(x)/(-1) \\y=-7+x\\y=x-7$

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