Homework Help: Linerar Equations in 2 Variables

Posted by Catherine on Tuesday, July 19, 2011 at 1:47pm.

Complete the ordered pair for the equation y=-10x+18 I have one of the ordered numbers given to me by my instructor, I have to come up with the first one, this is excactly hwo he gave it to me, but I really dont understand this...Can someone please help me understand it better? (_, 78)

Linerar Equations in 2 Variables - DrBob222, Tuesday, July 19, 2011 at 2:17pm
_ is the x value, 78 is the y value.
Substitute 78 for y and solve the equation given for x. The answer I obtained is -6 but check my work.

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