document.write( "Question 927031: 120 quarters and dimes worth $18.75
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Algebra.Com's Answer #562638 by TimothyLamb(4379)\"\" \"About 
You can put this solution on YOUR website!
x = dimes
\n" ); document.write( "y = quarters
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\n" ); document.write( "x + y = 120
\n" ); document.write( "10x + 25y = 1875
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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 = 120
\n" ); document.write( "10x + 25y = 1875
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\n" ); document.write( "copy and paste the above standard form linear equations in to this solver:
\n" ); document.write( "https://sooeet.com/math/system-of-linear-equations-solver.php
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\n" ); document.write( "solution:
\n" ); document.write( "x = dimes = 75
\n" ); document.write( "y = quarters = 45
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\n" ); document.write( "now by elimination:
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\n" ); document.write( "-25(x + y = 120)
\n" ); document.write( "10x + 25y = 1875
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\n" ); document.write( "-25x - 25y = -25*120
\n" ); document.write( "10x + 25y = 1875
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\n" ); document.write( "add the two equations:
\n" ); document.write( "-15x = -25*120 + 1875
\n" ); document.write( "x = (-25*120 + 1875)/-15
\n" ); document.write( "x = 75
\n" ); document.write( "y = 120 - x
\n" ); document.write( "y = 120 - 75
\n" ); document.write( "y = 45
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\n" ); document.write( "solution by elimination:
\n" ); document.write( "x = dimes = 75
\n" ); document.write( "y = quarters = 45
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\n" ); document.write( "Solve and graph linear equations:
\n" ); document.write( "https://sooeet.com/math/linear-equation-solver.php
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\n" ); document.write( "Solve quadratic equations, quadratic formula:
\n" ); document.write( "https://sooeet.com/math/quadratic-formula-solver.php
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\n" ); document.write( "Solve systems of linear equations up to 6-equations 6-variables:
\n" ); document.write( "https://sooeet.com/math/system-of-linear-equations-solver.php
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