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The question is not quite clear, do you mean -6x+3y = -18 and -10+5y = -30?

If so then the solution is:

-10+5y= -30

5y = -30+10

5y = -20

y = -4

Substitute the value of y into the equation -6x+3y = -18:

Answer: x = 1 and y = -4

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โˆ™ 2010-04-10 14:00:09
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Q: What is -6x plus 3y equals -18 -10 plus 5y equals -30 using substitution?
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