Precalculus Examples

y = 3 x - 4

$y = 3 x - 4$

Step 1

The standard form of a linear equation is

A x + B y = C

$A x + B y = C$ .

Step 2

Rewrite the equation.

3 x - 4 = y

$3 x - 4 = y$

Step 3

Move all terms containing variables to the left side of the equation.

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Step 3.1

Subtract

y

$y$ from both sides of the equation.

3 x - 4 - y = 0

$3 x - 4 - y = 0$

Step 3.2

Move

- 4

$- 4$ .

3 x - y - 4 = 0

$3 x - y - 4 = 0$

3 x - y - 4 = 0

$3 x - y - 4 = 0$

Step 4

Add

4

$4$ to both sides of the equation.

3 x - y = 4

$3 x - y = 4$

Step 5

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