jmarsh1139 jmarsh1139

14-09-2018
Mathematics

contestada

substitution for
3x-y=8
x+6y-8=0

Respuesta :

rachel8453 rachel8453

14-09-2018

-y=8-3x
y=-8+3x

x+6(-8+3x)-8=0
x-48+18x-8=0
19x-56=0
19x=56
x=2.95

3(2.95)-y=8
8.85-y=8
-y=-.85
y=.85

x=2.95
y=.85

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