Pre-Algebra Examples

y = x + 3

$y = x + 3$

Step 1

Choose any value for

x

$x$ that is in the domain to plug into the equation.

Step 2

Choose

0

$0$ to substitute in for

x

$x$ to find the ordered pair.

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Step 2.1

Remove parentheses.

y = 0 + 3

$y = 0 + 3$

Step 2.2

Remove parentheses.

y = (0) + 3

$y = (0) + 3$

Step 2.3

Add

0

$0$ and

3

$3$ .

y = 3

$y = 3$

Step 2.4

Use the

x

$x$ and

y

$y$ values to form the ordered pair.

(0, 3)

$(0, 3)$

(0, 3)

$(0, 3)$

Step 3

Choose

1

$1$ to substitute in for

x

$x$ to find the ordered pair.

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Step 3.1

Remove parentheses.

y = 1 + 3

$y = 1 + 3$

Step 3.2

Remove parentheses.

y = (1) + 3

$y = (1) + 3$

Step 3.3

Add

1

$1$ and

3

$3$ .

y = 4

$y = 4$

Step 3.4

Use the

x

$x$ and

y

$y$ values to form the ordered pair.

(1, 4)

$(1, 4)$

(1, 4)

$(1, 4)$

Step 4

Choose

2

$2$ to substitute in for

x

$x$ to find the ordered pair.

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Step 4.1

Remove parentheses.

y = 2 + 3

$y = 2 + 3$

Step 4.2

Remove parentheses.

y = (2) + 3

$y = (2) + 3$

Step 4.3

Add

2

$2$ and

3

$3$ .

y = 5

$y = 5$

Step 4.4

Use the

x

$x$ and

y

$y$ values to form the ordered pair.

(2, 5)

$(2, 5)$

(2, 5)

$(2, 5)$

Step 5

These are three possible solutions to the equation.

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

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

Step 6

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