document.write( "Question 1046441: Solve the following system of linear equations by substitution. (If there is no solution, enter NO SOLUTION.)\r
\n" ); document.write( "\n" ); document.write( "{2a + 3b = 3
\n" ); document.write( "{a − 7b = 10
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Algebra.Com's Answer #661891 by Alan3354(69443)\"\" \"About 
You can put this solution on YOUR website!
Solve the 2nd equation for a.
\n" ); document.write( "Sub for a in the 1st equation.
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