Let the price of 1 shirt be represented by = s
A pair of pants costs twice as much as a shirt, then the cost of pants is = 2s
The total cost of 1 pair of pants and 1 shirt is $18 , means : 
Solving this we get,


So, the price of 1 shirt is $6 and price of 1 pair of pants is = 2s = 2*6 = $12.
Answer:
-1.7x-3
Step-by-step explanation:
Marbles are solid in nature, they can be used to form objects of any kind, this makes them suitable for Sam's claim, the marbles can be used to model a typical structure of a solid, even though it is can only be a prototype.
<h3>
There are two main categories of solids:</h3>
- Crystalline
- Amorphous.
Crystalline solids are well ordered at the atomic level, and amorphous solids are disordered.
<h3>
Types of crystalline solids</h3>
There are four types of crystalline solids: ionic solids, molecular solids, network covalent solids, and metallic solids
The constituents of a solid can be arranged in two general ways: they can form a regular repeating three-dimensional structure called a crystal lattice
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bro what.... finish the question...
This statement will be
false. -7+9=2
-9+7=-2

, therefore, this statement is false.