![]() Examples of like terms would be 5xy and -3xy or 8a^2b and a^2b or -3 and 8. Like terms are terms where the variables match exactly (exponents included). One way we can simplify expressions is to combine like terms. If you owe money, then borrow more, the amount you owe becomes larger. Since both numbers are negative, the sum is negative. Since the signs of the first two are the same, find the sum of the absolute values of the fractions If the larger number is negative, the answer is negative.Īdd the first two and give the result a negative sign: This means if the larger number is positive, the answer is positive. ![]() If the signs don’t match (one positive and one negative number) we will subtract the numbers (as if they were all positive) and then use the sign from the larger number. If the signs match, we will add the numbers together and keep the sign. The first case is whether the signs match (both positive or both negative). When adding integers we have two cases to consider. As this is intended to be a review of integers, the descriptions and examples will not be as detailed as a normal lesson. Integers are all the positive whole numbers, zero, and their opposites (negatives). For this reason we will do a quick review of adding, subtracting, multiplying and dividing integers. The ability to work comfortably with negative numbers is essential to success in algebra.
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