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Systems Using Substitution

Solve for one variable, substitute the value in the other equation

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Solving Systems with One Solution Using Substitution
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Vocabulary

Consistent

Consistent

A system of equations is consistent if it has at least one solution.
distributive property

distributive property

The distributive property states that the product of an expression and a sum is equal to the sum of the products of the expression and each term in the sum. For example, a(b + c) = ab + ac.
linear equation

linear equation

A linear equation is an equation between two variables that produces a straight line when graphed.
substitute

substitute

In algebra, to substitute means to replace a variable or term with a specific value.

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