document.write( "Question 27776: \n" ); document.write( "
Algebra.Com's Answer #15145 by sdmmadam@yahoo.com(530)![]() ![]() ![]() You can put this solution on YOUR website! x+7(5-x)=4 \n" ); document.write( "To find x \n" ); document.write( "x+7(5-x)=4 \n" ); document.write( "x + 7X5 - 7x = 4 \n" ); document.write( "x+35 -7x = 4 \n" ); document.write( "(x-7x) = 4-35 (taking 35 from the left side to the right side) \n" ); document.write( "-6x=-31 \n" ); document.write( "x = (-31)/(-6) = 31/6 \n" ); document.write( "Answer: x = 31/6 \n" ); document.write( "Verification: \n" ); document.write( "Putting x = 31/6 in x+7(5-x)=4 \n" ); document.write( "LHS = 31/6+7X(5-31/6) \n" ); document.write( "= 31/6+ 7X(30-31)/6 \n" ); document.write( "= 31/6 +7X(-1/6) \n" ); document.write( "= 31/6 - 7/6 \n" ); document.write( "= (31-7)/6 = 24/6 = 4 = RHS which is right \n" ); document.write( " \n" ); document.write( " |