document.write( "Question 647149: five times my age in 2 years is 100. How old am I? \n" ); document.write( "
Algebra.Com's Answer #406032 by colliefan(242) ![]() You can put this solution on YOUR website! Algebraically:\r \n" ); document.write( "\n" ); document.write( "If my age is x, my age in 2 years can be represented as x+2\r \n" ); document.write( "\n" ); document.write( "Then: \n" ); document.write( "5(x+2)=100 \n" ); document.write( "5x+10=100 \n" ); document.write( "5x+10-10=100-10 \n" ); document.write( "5x+0=90 \n" ); document.write( "5x=90 \n" ); document.write( "5x/5=90/5 \n" ); document.write( "x*1=18 \n" ); document.write( "x=18\r \n" ); document.write( "\n" ); document.write( "Substitute this value back into the original equation to make sure it is correct. \n" ); document.write( " |