Examlex
A person who helps ease the passage through death and makes sure that dying people are not alone is known as a:
Augmented Matrix
A matrix created by adding the columns of two specified matrices together, usually representing a system of linear equations.
Back-substitution
A method used in algebra to solve systems of equations by solving one equation first and then substituting its value into other equations.
Variables
Symbols in mathematics that represent unknown quantities or can take on various values in an equation or expression.
Solution
The value or values that satisfy an equation or inequality.
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