Additive relationships
Lesson 5 / 12
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I can appreciate that an additive relationship between variables can be written in a number of different ways.
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When adding or subtracting, terms may only be combined if the order of each variable in each term is the same.
The sum of the terms can be thought of as a term, despite being comprised of multiple terms.
a + b = c also means that a = c − b
a = c − b can also be written as a = c + (−b)
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