Create equations that describe numbers or relationships
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Create equations and inequalities in one variable and use them to solve problems.
Create equations in two or more variables to represent relationships between quantities. Graph equations, in two variables, on a coordinate plane.
Represent and interpret constraints by equations or inequalities, and by systems of equations and/or inequalities. Interpret solutions as viable or nonviable options in a modeling and/or real-world context.
Rearrange literal equations using the properties of equality.