document.write( "Question 1050624: Solve this system of equations using the addition method.
\n" ); document.write( "4a - 5b = 7
\n" ); document.write( "4a + 5b = 17
\n" ); document.write( "type the correct answer in the ordered pair form,then press enter.
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Algebra.Com's Answer #666189 by josgarithmetic(39617)\"\" \"About 
You can put this solution on YOUR website!
\"%284a-5b%29%2B%284a%2B5b%29=7%2B17\"
\n" ); document.write( "What is a?\r
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\n" ); document.write( "\n" ); document.write( "\"%284a-5b%29-%284a%2B5b%29=7-17\"
\n" ); document.write( "What is b ?
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