document.write( "Question 914585: 7x+8y=25
\n" ); document.write( "9x+10y=35 using substitution or elimination
\n" ); document.write( "

Algebra.Com's Answer #555199 by josgarithmetic(39618)\"\" \"About 
You can put this solution on YOUR website!
Substitution: Pick an equation; either equation. Solve for one of the variables in terms of the other. Substitute this expression in the other equation and solve for the value of the single variable.
\n" ); document.write( "...
\n" ); document.write( "
\n" ); document.write( "
\n" );