Algebra Examples

(1, 9)

$(1, 9)$ ,

y = 3 x + 6

$y = 3 x + 6$

Step 1

Insert the values of

x = 1

$x = 1$ and

y = 9

$y = 9$ into the equation to find if the ordered pair is a solution.

9 = 3 (1) + 6

$9 = 3 (1) + 6$

Step 2

Simplify

3 (1) + 6

$3 (1) + 6$ .

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Step 2.1

Multiply

3

$3$ by

1

$1$ .

9 = 3 + 6

$9 = 3 + 6$

Step 2.2

Add

3

$3$ and

6

$6$ .

9 = 9

$9 = 9$

9 = 9

$9 = 9$

Step 3

Since

9 = 9

$9 = 9$ , the equation will always be true.

Always true

Step 4

Since the equation is always true when the values are used, the ordered pair is a solution.

The ordered pair is a solution to the equation.

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