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Algebra

posted by on .

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 - ,

    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 - ,

    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 - ,

    If you plot P on the horizontal (x) axis, and Q on the vertical (y) axis, then the slope is -(1/5).

  • Algebra - ,

    so it is negative then? -(1/5) Thank You

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