document.write( "Question 849569: Can you help me solve this using substitution method.
\n" ); document.write( "1)
\n" ); document.write( "3x+8y=20
\n" ); document.write( "y=-2x+9
\n" ); document.write( "2)
\n" ); document.write( "y=-5x-23
\n" ); document.write( "-5x+4y=8
\n" ); document.write( "Please respond quickly this is due tomorrow and i need hep immediately.
\n" ); document.write( "

Algebra.Com's Answer #511631 by josgarithmetic(39618)\"\" \"About 
You can put this solution on YOUR website!
I will give a little help for number one.\r
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "Substitution is what you want.
\n" ); document.write( "\"3x%2B8y=20\", and you have as the other equation, a formula for y.
\n" ); document.write( "\"3x%2B8%28-2x%2B9%29=20\"
\n" ); document.write( "Simplify and solve for x; and then use the result to evaluate y.
\n" ); document.write( "
\n" );