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▹ Answer
<em>2c - 2b - a</em>
▹ Step-by-Step Explanation
(c + b + a) + (-2a - 3b + c)
<u>Remove the parentheses</u>
c + b + a + (-2a - 3b + c)
<u>Collect like terms</u>
2c + b + a - 2a - 3b
<u>Final Answer</u>
2c - 2b - a
Hope this helps! 
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Brainliest is greatly appreciated!
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Answer:
A
Step-by-step explanation:
 A is the answer 
 
        
                    
             
        
        
        
Answer:
<h2>x = 3</h2>
Step-by-step explanation:
Look at the picture.
Therefore we have:
 <em>cross multiply</em>
            <em>cross multiply</em>

 <em>divide both sides by 3</em>
             <em>divide both sides by 3</em>

 
        
             
        
        
        
Call the price of the bike before mark up 'x', then we have: 
x + 0.25x = 210
      1.25x = 210 
             x = 168
Therefore, the bike cost $168 before 25% price increase.