document.write( "Question 290047: John is x years old, his sister Mary is 5X-12 years old. If Mary is two times John's age, write an equation in terms of x to find the age of John. \n" ); document.write( "
Algebra.Com's Answer #217662 by JBarnum(2146)![]() ![]() You can put this solution on YOUR website! J=x \n" ); document.write( "M=5x-12 \n" ); document.write( "M=2J \n" ); document.write( "M=2x \n" ); document.write( "2x=5x-12 \n" ); document.write( "_______ \n" ); document.write( "if u want it solved \n" ); document.write( "12=3x \n" ); document.write( "4=x \n" ); document.write( "J=4 \n" ); document.write( "M=5(4)-12 \n" ); document.write( "M=8 \n" ); document.write( " |