document.write( "Question 914283: i add 7 to a certain number .i double the result my final answer is 34 what was my number \n" ); document.write( "
Algebra.Com's Answer #554989 by fave(7)![]() ![]() You can put this solution on YOUR website! let a be the certain number and let b be the result from the addition \n" ); document.write( "That is 7+a=b \n" ); document.write( " 2b=34 \n" ); document.write( " b=17 \n" ); document.write( "7+a=17 \n" ); document.write( "a=17-7=10 \n" ); document.write( "your number is 10 \n" ); document.write( " |