document.write( "Question 1075985: I need help with this question: 4 time the number B is equal to the number A. The sum of 2 times A and two times B is 49. What is A and B? \n" ); document.write( "
Algebra.Com's Answer #690658 by addingup(3677)\"\" \"About 
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OK, this one by substitution:
\n" ); document.write( "4B = A therefore B = A/4
\n" ); document.write( "2A+2B = 49 substitute for B:
\n" ); document.write( "2A+2(A/4) = 49 distribute the 2 (Distributive Property of Multiplication)
\n" ); document.write( "2A+A/2 = 49 multiply all sides times 2
\n" ); document.write( "4A+A = 98
\n" ); document.write( "5A = 98
\n" ); document.write( "A = 19.6
\n" ); document.write( "B = A/4
\n" ); document.write( "B = 19.6/4 = 4.9
\n" ); document.write( "------------------------
\n" ); document.write( "2A+2B = 49
\n" ); document.write( "2(19.6)+2(4.9)= 49
\n" ); document.write( "39.2+9.8 = 49 Correct\r
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