document.write( "Question 732037: I need help understanding how to solve x-6y= -51, 3x-7y= -54 using the substitution method. Algebra confuses me immensely. Do I solve for x first, or y first? \n" ); document.write( "
Algebra.Com's Answer #447450 by Vladdroid(91)\"\" \"About 
You can put this solution on YOUR website!
click on the following math equation and it will show you the complete steps and the answer.
\n" ); document.write( "click here......Click Here to Solve by Substitution Method.....click here
\n" ); document.write( "
\n" );