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# Systems of Linear Equations in Two Variables

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Systems of Two Equations and Two Unknowns

### Vocabulary Language: English

elimination

elimination

The elimination method for solving a system of two equations involves combining the two equations in order to produce one equation in one variable.
Periodic Decimal

Periodic Decimal

A periodic decimal is a decimal number that has a pattern of digits that repeat. The decimal number 0.146532532532..., is a periodic decimal.
scale

scale

To scale an equation means to multiply every term in the equation by the same constant.
Standard Form

Standard Form

The standard form of a line is $Ax + By = C$, where $A, B,$ and $C$ are real numbers.
system of equations

system of equations

A system of equations is a set of two or more equations.