document.write( "Question 1014820: Andrew is two years older that Bianca if their ages have a sum of 28 years, how old is each one? \n" ); document.write( "
Algebra.Com's Answer #631163 by macston(5194)\"\" \"About 
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\n" ); document.write( "A=Andrew's age; B=Bianca's age
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\n" ); document.write( "A=B+2yrs . Use this to substitute for A below
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\n" ); document.write( "A+B=28 yrs . Substitute for A from above.
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\n" ); document.write( "(B+2yrs)+B=28yrs . Subtract 2 yrs from each side.
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\n" ); document.write( "2B=26 yrs . Divide each side by 2.
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\n" ); document.write( "B=13 yrs
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\n" ); document.write( "ANSWER 1: Bianca is 13 years old.
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\n" ); document.write( "A=B+2yrs=13yrs+2yrs=15yrs
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\n" ); document.write( "ANSWER 2: Andrew is 15 years old.
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\n" ); document.write( "CHECK:
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\n" ); document.write( "A+B=28yrs
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\n" ); document.write( "15yrs+13yrs=28yrs
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\n" ); document.write( "28yrs=28yrs
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