document.write( "Question 658953: the solution to this system of equations is (-2,1). Find the values for p and q.
\n" ); document.write( "px+(9-q)y=-10
\n" ); document.write( "(3p+1)x-(q-6)y=-21
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Algebra.Com's Answer #410560 by jim_thompson5910(35256)\"\" \"About 
You can put this solution on YOUR website!
Hint:\r
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\n" ); document.write( "\n" ); document.write( "Replace every copy of x with -2. Then replace every copy of y with 1. This will give you\r
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\n" ); document.write( "\n" ); document.write( "p(-2)+(9-q)(1)=-10
\n" ); document.write( "(3p+1)(-2)-(q-6)(1)=-21\r
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\n" ); document.write( "\n" ); document.write( "You now have a system of equations with 2 variables p and q. Solve this new system just like you would solve the old system with variables x and y.
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