Posted by **BC** on Sunday, August 29, 2010 at 11:26pm.

Q=50-5P. Solve the equation for P

Choose the right one

P=50-Q

P=50+Q

P=10-5Q

P=10-(1/5)Q

P=50-5Q

- Algebra -
**Anonymous**, Sunday, August 29, 2010 at 11:41pm
q=50-5P

subtract 50

q-50=-5P

divide by -5

-1/5q-50/-5=P

-1/5Q+10=P

so it's the fourth answer.

- Algebra -
**BC**, Sunday, August 29, 2010 at 11:44pm
Thank You, I thought that was but not 100% sure because I get backwards on the positive and negatives, Do you know how I find out the slope of the line or would graph it then?

- Algebra -
**MathMate**, Sunday, August 29, 2010 at 11:54pm
If you plot P on the horizontal (x) axis, and Q on the vertical (y) axis, then the slope is -(1/5).

- Algebra -
**BC**, Sunday, August 29, 2010 at 11:58pm
so it is negative then? -(1/5) Thank You

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