Pre-Algebra Examples

$4 m - n = m$

Step 1

Move all terms containing $m$ to the left side of the equation.

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Step 1.1

Subtract $m$ from both sides of the equation.

$4 m - n - m = 0$

Step 1.2

Subtract $m$ from $4 m$ .

$3 m - n = 0$

Step 2

Add $n$ to both sides of the equation.

$3 m = n$

Step 3

Divide each term in $3 m = n$ by $3$ and simplify.

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Step 3.1

Divide each term in $3 m = n$ by $3$ .

$\frac{3 m}{3} = \frac{n}{3}$

Step 3.2

Simplify the left side.

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Step 3.2.1

Cancel the common factor of $3$ .

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Step 3.2.1.1

Cancel the common factor.

$\frac{3 m}{3} = \frac{n}{3}$

Step 3.2.1.2

Divide $m$ by $1$ .

$m = \frac{n}{3}$