document.write( "Question 590352: How do I solve 2x+3y=18 and x=2y-5 its one problem and I want to use the substitution method.thanks \n" ); document.write( "
Algebra.Com's Answer #375118 by scott8148(6628)![]() ![]() You can put this solution on YOUR website! substitute the equivalent value of x from the 2nd equation into the 1st equation\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "2(2y - 5) + 3y = 18 ___ 4y - 10 + 3y = 18 ___ 7y = 28\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "solve for y, then substitute back to find x \n" ); document.write( " |