document.write( "Question 222030: hi how can i find the answer to a question like 2y - 4x = 8 and then decide whether the given ordered pair (-2,8). i think i have to find if x=? and y= ? and the two ? will b the numbers -2 and 8, but im not sure. canyou help me? thank you! \n" ); document.write( "
Algebra.Com's Answer #166346 by checkley77(12844)![]() ![]() ![]() You can put this solution on YOUR website! 2y - 4x = 8 \n" ); document.write( "(-2,8) \n" ); document.write( "Replace the x & y terms with -2 & 8 & solve. \n" ); document.write( "2*8-4*-2=8 \n" ); document.write( "16-8=8 \n" ); document.write( "8=8 ans. \n" ); document.write( "YES (-2,8) are solutions to this equation. \n" ); document.write( " |