Homework Help: algebra

Posted by Dani on Friday, April 23, 2010 at 10:08pm.

Solve using the substitution method and state if the system has a solution.

4p-2q=16
5p+7q=1

algebra - PsyDAG, Saturday, April 24, 2010 at 11:52am
4p - 2q = 16

4p = 16 + 2q

p = 4 + .5q

5p + 7q = 1

Substitute 4 + .5q for p in the last equation and solve for q. Put that value in the previous equation to find p. Check by putting both values into the last equation.
algebra - Anonymous, Wednesday, May 4, 2011 at 3:20pm
solve the system of equations answer as an ordered pair 5x-y=27

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