Mathalina S.

asked • 04/07/13

find the value of c so that the graph of 3x-c=2y has a y-intercept of (0,5)

How do you solve this?

1 Expert Answer

By:

Kimberly K. answered • 04/08/13

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Bill P.

You do not "make c positive" by multiplying by negative one. Instead you find the value of c by doing that operation on both sides of the equation.   Indeed, as shown by this correct result, c equals -10, and is therefore not made into anything. What Kimberly probably meant to say is that we are not interested in finding the value of -c, so we must multiply (or divide) by -1 to obtain the value of c.
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