document.write( "Question 594642: in the equation 3x+7y=21 at what point is the x-axis intersected \n" ); document.write( "
Algebra.Com's Answer #376835 by mamiya(56) ![]() You can put this solution on YOUR website! The X-axis intersected when y=0. \n" ); document.write( " y=0 --> 3x+7(0)=21 \n" ); document.write( " --> 3x = 21 \n" ); document.write( " --> 3x/3 = 21/3 \n" ); document.write( " so, x=7\r \n" ); document.write( "\n" ); document.write( "so that point is (7, 0) \n" ); document.write( " |