Pre-Algebra Examples

$y = x + 3$

Choose any value for $x$ that is in the domain to plug into the equation.

Choose $0$ to substitute in for $x$ to find the ordered pair.

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Remove parentheses.

$y = (0) + 3$

Add $0$ and $3$ .

$y = 3$

Use the $x$ and $y$ values to form the ordered pair.

$(0, 3)$

Choose $1$ to substitute in for $x$ to find the ordered pair.

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Remove parentheses.

$y = (1) + 3$

Add $1$ and $3$ .

$y = 4$

Use the $x$ and $y$ values to form the ordered pair.

$(1, 4)$

Choose $2$ to substitute in for $x$ to find the ordered pair.

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Remove parentheses.

$y = (2) + 3$

Add $2$ and $3$ .

$y = 5$

Use the $x$ and $y$ values to form the ordered pair.

$(2, 5)$

These are three possible solutions to the equation.

$(0, 3), (1, 4), (2, 5)$

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