document.write( "Question 1206198: if twice Mary's age is decreased by 7 is the same age as her age increased by ten
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Algebra.Com's Answer #843471 by ankor@dixie-net.com(22740)\"\" \"About 
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if twice Mary's age is decreased by 7 is the same age as her age increased by ten, how old is Mary.
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\n" ); document.write( "m = Mary's age now
\n" ); document.write( "2m - 7 = m + 10
\n" ); document.write( "2m - m = 10 + 7
\n" ); document.write( "m = 17
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