document.write( "Question 632816: Four years, Kiro was 6 times as old as Kirara. Four years from now, he will only be twice as old. How old are Kirara and Kiro. \n" ); document.write( "
Algebra.Com's Answer #398491 by lwsshak3(11628)\"\" \"About 
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Four years ago, Kiro was 6 times as old as Kirara. Four years from now, he will only be twice as old. How old are Kirara and Kiro.
\n" ); document.write( "**
\n" ); document.write( "let x=Kiro's age
\n" ); document.write( "let y=Kirara's age
\n" ); document.write( "..
\n" ); document.write( "4 years ago:
\n" ); document.write( "x-4=kiro's age
\n" ); document.write( "y-4=Kirara's age
\n" ); document.write( "Kiro was 6 times as old as Kirara
\n" ); document.write( "(x-4)=6(y-4)=6y-24
\n" ); document.write( "x-4=6y-24
\n" ); document.write( "6y-x=20
\n" ); document.write( "..
\n" ); document.write( "4 years from now:
\n" ); document.write( "x+4=kiro's age
\n" ); document.write( "y+4=Kirara's age
\n" ); document.write( "Kiro will be twice as old as Kirara
\n" ); document.write( "(x+4)=2(y+4)=2y+8
\n" ); document.write( "x+4=2y+8
\n" ); document.write( "2y-x=-4
\n" ); document.write( "..
\n" ); document.write( "6y-x=20
\n" ); document.write( "2y-x=-4
\n" ); document.write( "subtract
\n" ); document.write( "4y=24
\n" ); document.write( "y=6
\n" ); document.write( "x=2y+4=16
\n" ); document.write( "..
\n" ); document.write( "Kiro's age=16
\n" ); document.write( "Kirara's age=6 \n" ); document.write( "
\n" );