![\"\"](\"/userfiles/image/steps_images/step1.JPG\")
\
The expression is ![\"\"](\"/MathKey/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=a462b61c9996f6fc09f6df8b4e82553b.png\")
Place value chart for 7 and 5.
\![\"\"](\"/userfiles/image/Library/Algebra1/placevaluechart_pa34_p35.gif\")
Line up the decimal points and draw a line above the numbers.
\Annex zero to align the numbers.![\"\"](\"/MathKey/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=a9988a9d167f171a21ec5ca3b4986424.png\")
![\"\"](\"/userfiles/image/steps_images/step2.JPG\")
Next find the difference of the ones digit.
\The difference of the ones digit =![\"\"](\"/MathKey/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=c10b2f6d5fc5e2ca382b084938fec285.png\")
.
![\"\"](\"/MathKey/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=63f53b5e608fc05a66fcf719c29c88de.png\")
![\"\"](\"/userfiles/image/steps_images/solution.JPG\")
The difference is -2.
\