An equation with brackets must be expanded before it is solved. An understanding of expanding brackets is essential when solving equations with brackets. Some equations include a set of brackets. When ...

An equation is a mathematical statement showing that two expressions are equal. The two expressions are linked with an equals symbol (=). The unknown variable (often the letter \(x\)) can take any ...

This is a preview. Log in through your library . Abstract Weighted survey data with missing data for some covariates presents a substantial challenge for analysis. We addressed this problem by using a ...