document.write( "Question 1205221: If a ≡ -25 (mod 7) then a is equal to \n" ); document.write( "
Algebra.Com's Answer #841881 by math_tutor2020(3821)\"\" \"About 
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\n" ); document.write( "The closest multiple of 7 to 25 is 28
\n" ); document.write( "Add it to -25 to get 28+(-25) = 28-25 = 3\r
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\n" ); document.write( "\n" ); document.write( "Therefore 3 = -25 (mod 7)
\n" ); document.write( "Both 3 and -25 give the same remainder when dividing over 7.
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