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)\"\" \"About 
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\n" ); document.write( "B=brother's age; J=john's age=B+6
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\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
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\n" ); document.write( "Brother is 2 years old.
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\n" ); document.write( "J=B+6=2+6=8
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\n" ); document.write( "ANSWER: John is 8 years old.
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\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
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