document.write( "Question 198075: 4ax+by=11ab
\n" ); document.write( "8ax-5by=ab solve for x and y \n" ); document.write( "

Algebra.Com's Answer #148621 by arallie(162) $\"\"$ $\"About$

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$\"4ax%2Bby=11ab\"$ and $\"8ax-5by=ab\"$
\n" ); document.write( " mult by 2 then mult by -1
\n" ); document.write( " $\"8ax%2B2by=22ab\"$ and $\"5by-8ax=-ab\"$
\n" ); document.write( "add and solve
\n" ); document.write( " $\"7by=21ab\"$ = $\"y=3a\"$
\n" ); document.write( "substitute and solve
\n" ); document.write( " $\"4ax%2Bb%283a%29=11ab\"$
\n" ); document.write( " $\"4ax=8ab\"$ = $\"x=2b\"$
\n" ); document.write( "Answer
\n" ); document.write( " $\"x=2b%2Cy=3a\"$ \n" ); document.write( "

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