document.write( "Question 943166: How old is Bernie if next year he will be twice as old as he was seven years ago \n" ); document.write( "
Algebra.Com's Answer #574985 by macston(5194)\"\" \"About 
You can put this solution on YOUR website!
B= Bernie's age;B+1=2(B-7) (B+1 is Bernie next year, B-7= Bernie 7 yrs ago)
\n" ); document.write( "B+1=2B-14 add 14 to each side
\n" ); document.write( "B+1+14=2B-14+14
\n" ); document.write( "B+15=2B subtract B from each side
\n" ); document.write( "B+15-B=2B=B
\n" ); document.write( "15=B ANSWER Bernie is 15
\n" ); document.write( "CHECK
\n" ); document.write( "B+1=2(B-7)
\n" ); document.write( "15+1=2(15=7)
\n" ); document.write( "16=2(8)
\n" ); document.write( "16=16
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