https://www.khanacademy.org/math/cc-seventh-grade-math/x6b17ba59:rational-numbers-addition-and-subtraction/cc-7th-properties-of-addition-and-subtraction/v/equivalent-expressions-with-negative-rationals 2023-08-31T15:42:23.143811656Z Equivalent expressions with negative numbers Understand that we can commute and associate terms as long as we keep the signs with the terms. We can also apply the additive identity property and the additive inverse property. Sal Khan video https://cdn.kastatic.org/ka_thumbnails_cache/3c319652-60cd-48f7-85e4-fa813340209f_1280_720_base.png Equivalent expressions with negative numbers Understand that we can commute and associate terms as long as we keep the signs with the terms. We can also apply the additive identity property and the additive inverse property. https://cdn.kastatic.org/ka-youtube-converted/Shvr_SgLPJo.mp4/Shvr_SgLPJo.mp4 613 Properties of addition & subtraction https://www.khanacademy.org/math/cc-seventh-grade-math/x6b17ba59:rational-numbers-addition-and-subtraction/cc-7th-properties-of-addition-and-subtraction/e/negative-number-addition-and-subtraction-equivalent-expressions 2024-11-06T18:43:19.597106389Z Equivalent expressions with negative numbers Practice identifying equivalent expressions involving the addition and subtraction of negative numbers. Ben S exercise