document.write( "Question 1015388: Jhon is 6 years olden than his beother .he will be twice as old as his brother in 4 years.how old is jhon now? \n" ); document.write( "
Algebra.Com's Answer #631723 by macston(5194)![]() ![]() You can put this solution on YOUR website! . \n" ); document.write( "B=brother's age; J=john's age=B+6 \n" ); document.write( ". \n" ); document.write( "J+4=2(B+4) \n" ); document.write( "(B+6)+4=2(B+4) \n" ); document.write( "B+10=2B+8 \n" ); document.write( "2=B \n" ); document.write( ". \n" ); document.write( "Brother is 2 years old. \n" ); document.write( ". \n" ); document.write( "J=B+6=2+6=8 \n" ); document.write( ". \n" ); document.write( "ANSWER: John is 8 years old. \n" ); document.write( ". \n" ); document.write( "CHECK: \n" ); document.write( "J+4=2(B+4) \n" ); document.write( "8+4=2(2+4) \n" ); document.write( "12=2(6) \n" ); document.write( "12=12 \n" ); document.write( ". \n" ); document.write( " \n" ); document.write( " |