Check It Out! Example 3a Subtract. 13 – 21. 13 – 21. = 13 + (–21) To subtract 21 add –21.
{"Image DocumentName": "Check It Out! Example 3aSubtract. 13 \u2013 \u2013 21. = 13 + (\u201321) To subtract 21 add \u201321.", "Image ImageDescription": "When the signs of the numbers are different, find the difference of the absolute values: 21 \u2013 13 = 8. \u20138. Use the sign of the number with the greater absolute value.", "Image XResolution": "37", "Image YResolution": "37", "Image ResolutionUnit": "Pixels/Centimeter", "Image Software": "SlidePlayer", "Image YCbCrPositioning": "Centered"}