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welcome to math with mr j in this video iamp;#39;m going to go through a review of how to add and subtract integers and weamp;#39;re going to be working with both positive and negative integers weamp;#39;ll start with adding integers now when it comes to these types of problems there are different ways to think through these we will go through two ways for each of our examples letamp;#39;s jump into number one where we have 12 plus negative 7. weamp;#39;ll start this problem by taking a look at the signs we have a positive 12 and a negative 7. so we have different signs a positive and a negative since we have different signs we are going to take the greater absolute value and subtract the lesser our answer will take the sign of the greater absolute value letamp;#39;s start by writing the absolute value of both 12 and negative 7 and remember absolute value is the distance a number is from 0. the absolute value of 12 is 12. the absolute value of negative 7 is 7. now