document.write( "Question 807979: Solve each system by addition, if possible.\r
\n" ); document.write( "\n" ); document.write( "4x + 6y = 5
\n" ); document.write( "8x - 9y = 3 \n" ); document.write( "
Algebra.Com's Answer #486781 by TimothyLamb(4379)\"\" \"About 
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4x + 6y = 5
\n" ); document.write( "8x - 9y = 3
\n" ); document.write( "---
\n" ); document.write( "-8x - 12y = -10
\n" ); document.write( "8x - 9y = 3
\n" ); document.write( "---
\n" ); document.write( "-21y = -7
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\n" ); document.write( "y = 1/3
\n" ); document.write( "4x + 6(1/3) = 5
\n" ); document.write( "4x + 2 = 5
\n" ); document.write( "4x = 3
\n" ); document.write( "x = 3/4
\n" ); document.write( "Answer:
\n" ); document.write( "x = 3/4
\n" ); document.write( "y = 1/3
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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( "Convert fractions, decimals, and percents:
\n" ); document.write( "https://sooeet.com/math/fraction-decimal-percent.php
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\n" ); document.write( "Calculate and graph the linear regression of any data set:
\n" ); document.write( "https://sooeet.com/math/linear-regression.php \n" ); document.write( "
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