Pre-Algebra Examples

- 3 x + y = 2

$- 3 x + y = 2$

Step 1

Rewrite in slope-intercept form.

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Step 1.1

The slope-intercept form is

y = m x + b

$y = m x + b$ , where

m

$m$ is the slope and

b

$b$ is the y-intercept.

y = m x + b

$y = m x + b$

Step 1.2

Add

3 x

$3 x$ to both sides of the equation.

y = 2 + 3 x

$y = 2 + 3 x$

Step 1.3

Reorder

2

$2$ and

3 x

$3 x$ .

y = 3 x + 2

$y = 3 x + 2$

y = 3 x + 2

$y = 3 x + 2$

Step 2

Using the slope-intercept form, the y-intercept is

2

$2$ .

b = 2

$b = 2$

Step 3

y-intercept in point form.

(0, 2)

$(0, 2)$

Step 4

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