document.write( "Question 699247: Y+4x=4 and 6c+2y=6 \n" ); document.write( "
Algebra.Com's Answer #431286 by Simnepi(216)![]() ![]() You can put this solution on YOUR website! (I assume the 'c' in the second equation is supposed to be an 'x'!) \n" ); document.write( "y+4x=4 Equation (1) \n" ); document.write( "6x+2y=6 Equation (2) \n" ); document.write( "From equation (1) we can see that \n" ); document.write( "y=4-4x Equation (3) \n" ); document.write( "Now we substitute this value we have for y into equation (2) \n" ); document.write( "So now we have \n" ); document.write( "6x+2*(4-4x)=6 \n" ); document.write( "Multiplying the brackets gives \n" ); document.write( "6x+8-8x=6 \n" ); document.write( "simplifying this gives \n" ); document.write( "-2x=-2 \n" ); document.write( "therefore \n" ); document.write( "x=1 \n" ); document.write( "now we can use this to find out y \n" ); document.write( "substitute this value for x into either (1), (2) or even (3)! \n" ); document.write( "Let's use (1) \n" ); document.write( "y+4*1 = 4 \n" ); document.write( "we now find that \n" ); document.write( "y = 0 \n" ); document.write( " |