$\"\"$

The equation is $\"\"$ .

Write the problem:

A pair of dress materials costs $\"\"$ . This is $\"\"$ more than twice the cost of the dress material. How much is the dress material.

Find the cost of dress material.

$\"\"$ (Orginal equation)

$\"\"$ (Subtract $\"\"$ from each side)

$\"\"$ (Apply additive inverse property : $\"\"$ )

$\"\"$ (Divide each side by $\"\"$ )

$\"\"$ (Cancel common terms)

Therefore, the cost of the dress material is $\"\"$ .

$\"\"$

The cost of the dress material is $\"\"$ .