Precalculus Examples

$| 3 y | + 3 = 3$

Step 1

Move all terms not containing $| 3 y |$ to the right side of the equation.

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Step 1.1

Subtract $3$ from both sides of the equation.

$| 3 y | = 3 - 3$

Step 1.2

Subtract $3$ from $3$ .

$| 3 y | = 0$

Step 2

Remove the absolute value term. This creates a $\pm$ on the right side of the equation because $| x | = \pm x$ .

$3 y = \pm 0$

Step 3

Plus or minus $0$ is $0$ .

$3 y = 0$

Step 4

Divide each term in $3 y = 0$ by $3$ and simplify.

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Step 4.1

Divide each term in $3 y = 0$ by $3$ .

$\frac{3 y}{3} = \frac{0}{3}$

Step 4.2

Simplify the left side.

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Step 4.2.1

Cancel the common factor of $3$ .

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Step 4.2.1.1

Cancel the common factor.

$\frac{3 y}{3} = \frac{0}{3}$

Step 4.2.1.2

Divide $y$ by $1$ .

$y = \frac{0}{3}$

Step 4.3

Simplify the right side.

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Step 4.3.1

Divide $0$ by $3$ .

$y = 0$

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