document.write( "Question 941620: A test has a combination of true/false questions, worth 3 points each, and multiple-choice questions, worth 11 points each. The test has a total of 20 questions and a total of 100 points. How many multiple-choice questions are on the test? \n" ); document.write( "
Algebra.Com's Answer #574015 by TimothyLamb(4379)\"\" \"About 
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x = number of true/false questions
\n" ); document.write( "y = number of multiple-choice questions
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\n" ); document.write( "x + y = 20
\n" ); document.write( "3x + 11y = 100
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\n" ); document.write( "put the system of linear equations into standard form
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\n" ); document.write( "x + y = 20
\n" ); document.write( "3x + 11y = 100
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\n" ); document.write( "copy and paste the above standard form linear equations in to this solver:
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\n" ); document.write( "solution:
\n" ); document.write( "x = 15
\n" ); document.write( "y = 5
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\n" ); document.write( "Solve systems of linear equations up to 6-equations 6-variables:
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