Basic Math Examples

$3 (r - 2) - 2 r = - 2 + 6$

Step 1

Simplify $3 (r - 2) - 2 r$ .

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Step 1.1

Simplify each term.

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Step 1.1.1

Apply the distributive property.

$3 r + 3 \cdot - 2 - 2 r = - 2 + 6$

Step 1.1.2

Multiply $3$ by $- 2$ .

$3 r - 6 - 2 r = - 2 + 6$

Step 1.2

Subtract $2 r$ from $3 r$ .

$r - 6 = - 2 + 6$

Step 2

Add $- 2$ and $6$ .

$r - 6 = 4$

Step 3

Move all terms not containing $r$ to the right side of the equation.

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Step 3.1

Add $6$ to both sides of the equation.

$r = 4 + 6$

Step 3.2

Add $4$ and $6$ .

$r = 10$