document.write( "Question 1025201: Mike is four years older than his brother,Andrew. If five times Andrews age is equal to three times mikes age,how old is mike \n" ); document.write( "
Algebra.Com's Answer #640478 by addingup(3677)![]() ![]() You can put this solution on YOUR website! M = A+4 \n" ); document.write( "3M = 5A and since we just said that M = A+4, substitute for M: \n" ); document.write( "3(A+4) = 5A \n" ); document.write( "3A+12 = 5A Subtract 12 and 5A on both sides: \n" ); document.write( "-2A = -12 Divide both sides by -2 and remember -/- = + \n" ); document.write( "A = 6 Andrew is 6 \n" ); document.write( "M = A+4 = 6+4 = 10 Mike is 10 \n" ); document.write( " |