document.write( "Question 260874: What is the answer of
\n" ); document.write( "2p + 3q =18
\n" ); document.write( "5p - q =11\r
\n" ); document.write( "\n" ); document.write( "Please show each step. I am having trouble understanding each individual steps.
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Algebra.Com's Answer #192156 by Greenfinch(383)\"\" \"About 
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1) 2p + 3q = 18
\n" ); document.write( "2) 5p - q = 11 multiply by three so that the number of qs are equal
\n" ); document.write( "3) 15p - 3q = 33 add equations 1 and 3
\n" ); document.write( " 17p = 51
\n" ); document.write( " P = 3
\n" ); document.write( "Substitute 3 for p in equation 1)
\n" ); document.write( " 6 + 3q = 18
\n" ); document.write( "so 3q = 12
\n" ); document.write( "q = 4
\n" ); document.write( "Checking in equation 2)
\n" ); document.write( "LHS 5 x 3 - 4 = 11 RHS = 11
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