Mathematics
BernitaHinely
14

How to solve the system: 3+2x-y=0 -3-7y=10x Please this is due tomorrow and I don't understand systems at all (please show your work if you answer this because I'm a visual learner)

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(1) Answers
Gracie216

[latex]3+2x-y=0\\-3- 7y=10x \\ \\ 2x-y=-3 \ \ /*5\\ -10x- 7y=3\\ \\10x-5y=-15\\ -10x- 7y=3\\ + -------\\ -12y=-12\ \ /:(-12)[/latex] [latex]y=1 \\ \\3+2x-1=0\\ \\2x=-3+1\\ \\2x=-2\ \ /:2\\ \\x=-1 \\ \\ Answer : x= - 1 , \ y = 1[/latex]

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