document.write( "Question 28341: Caitlin is 21 years old, which is 6 less then 3 times Kims age. Which equaition could be used to slove for Kims age? How old is kim? \n" ); document.write( "
Algebra.Com's Answer #15705 by emmychan(11)![]() ![]() ![]() You can put this solution on YOUR website! Use y for Kim's age and x for Caitlin's.\r \n" ); document.write( "\n" ); document.write( "x = 21 \n" ); document.write( "3y - 6 = x\r \n" ); document.write( "\n" ); document.write( "Sub 21 for x\r \n" ); document.write( "\n" ); document.write( "3y - 6 = 21\r \n" ); document.write( "\n" ); document.write( "Add 6 to both sides.\r \n" ); document.write( "\n" ); document.write( "3y = 27\r \n" ); document.write( "\n" ); document.write( "Divide both sides by 3.\r \n" ); document.write( "\n" ); document.write( "y = 9 \n" ); document.write( " |