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Subtraction of integers is essentially addition of integers except the second integer is inverted. For example: 5 + 3 = 8 is a simple addition of integers. 5 - 3 = 5 is a simple subtraction of integers. It can be expressed by inverting the second value (the one right after the subration sign) and then switching the subtraction sign to an addition sign. So it would look like: 5 + (-3) = 5. Note that (-3) is the opposite of 3. So to do a more confusing subtraction problem like: 55 - (-5), we could rewrite this as: 55 + -(-5). From here it's easy to see that the two negatives cancel out. 55 + 5 = 60.
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How are addition and subtraction related?
They are inverses. For any numbers a, b, and c if: a + b = c then: a = c - b and b = c - a In words, addition is raising the value of a number by counting higher, (1, 2, 3, ...). Subtraction is the inverse (you count down 3, 2, 1, ...).
How is math related to grade 7 math?
All math is related. In first grade you learn extremely simple math such as subtraction, addition, division and multiplication and in seventh grade you learn more complicated math, such as algebra or trigonometry. Math just gets more and more complicated the higher your grade level but it is still all related to math.
Why is the product of any consecutive integers divisible by 6?
There must be three consecutive integers to guarantee that the product will be divisible by 6. For the "Product of three consecutive integers..." see the Related Question below.
What are the eight related addition and subtraction equations for the numbers 48 42 6?
48=42+648-6=4248-42=648-42-6=042-48=-66-48=-4248+42+6=9642-6=48-12These are some possible answers.
Why 2's complement binary subtraction is preffered over 1's complement binary subtraction?
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